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Finding the Fourth Proportional to 220,061,570.60, 330,092,355.90 and 142,577,472.80

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Solution

The fourth proportional to 220,061,570.60, 330,092,355.90 and 142,577,472.80 is: 213,866,209.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,061,570.60 : 330,092,355.90 = 142,577,472.80 : x
  2. Step 2: Convert to fraction form
    220,061,570.60/330,092,355.90 = 142,577,472.80/x
  3. Step 3: Cross multiply
    220,061,570.60x = 330,092,355.90 × 142,577,472.80
  4. Step 4: Simplify right side
    220,061,570.60x = 47,063,733,894,820,168
  5. Step 5: Solve for x
    x = 47,063,733,894,820,168/220,061,570.60
  6. Step 6: Final answer
    x = 213,866,209.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.