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Finding the Fourth Proportional to 163,213,894.80, 228,801,783.60 and 163,213,894.80

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Solution

The fourth proportional to 163,213,894.80, 228,801,783.60 and 163,213,894.80 is: 228,801,783.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,213,894.80 : 228,801,783.60 = 163,213,894.80 : x
  2. Step 2: Convert to fraction form
    163,213,894.80/228,801,783.60 = 163,213,894.80/x
  3. Step 3: Cross multiply
    163,213,894.80x = 228,801,783.60 × 163,213,894.80
  4. Step 4: Simplify right side
    163,213,894.80x = 37,343,630,238,542,768
  5. Step 5: Solve for x
    x = 37,343,630,238,542,768/163,213,894.80
  6. Step 6: Final answer
    x = 228,801,783.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.