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Finding the Fourth Proportional to 163,213,892.80, 228,801,780.80 and 163,213,892.80

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Solution

The fourth proportional to 163,213,892.80, 228,801,780.80 and 163,213,892.80 is: 228,801,780.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,213,892.80 : 228,801,780.80 = 163,213,892.80 : x
  2. Step 2: Convert to fraction form
    163,213,892.80/228,801,780.80 = 163,213,892.80/x
  3. Step 3: Cross multiply
    163,213,892.80x = 228,801,780.80 × 163,213,892.80
  4. Step 4: Simplify right side
    163,213,892.80x = 37,343,629,323,940,304
  5. Step 5: Solve for x
    x = 37,343,629,323,940,304/163,213,892.80
  6. Step 6: Final answer
    x = 228,801,780.80

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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.