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Finding the Fourth Proportional to 163,028.30, 228,472.90 and 163,028.30

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Solution

The fourth proportional to 163,028.30, 228,472.90 and 163,028.30 is: 228,472.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,028.30 : 228,472.90 = 163,028.30 : x
  2. Step 2: Convert to fraction form
    163,028.30/228,472.90 = 163,028.30/x
  3. Step 3: Cross multiply
    163,028.30x = 228,472.90 × 163,028.30
  4. Step 4: Simplify right side
    163,028.30x = 37,247,548,483.07
  5. Step 5: Solve for x
    x = 37,247,548,483.07/163,028.30
  6. Step 6: Final answer
    x = 228,472.90

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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.