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Finding the Fourth Proportional to 93,341,892.80, 140,012,839.20 and 87,668,523.20

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Solution

The fourth proportional to 93,341,892.80, 140,012,839.20 and 87,668,523.20 is: 131,502,784.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,341,892.80 : 140,012,839.20 = 87,668,523.20 : x
  2. Step 2: Convert to fraction form
    93,341,892.80/140,012,839.20 = 87,668,523.20/x
  3. Step 3: Cross multiply
    93,341,892.80x = 140,012,839.20 × 87,668,523.20
  4. Step 4: Simplify right side
    93,341,892.80x = 12,274,718,841,703,068
  5. Step 5: Solve for x
    x = 12,274,718,841,703,068/93,341,892.80
  6. Step 6: Final answer
    x = 131,502,784.80

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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.