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Finding the Fourth Proportional to 162,432,456.80, 243,541,084.80 and 89,684,088.80

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Solution

The fourth proportional to 162,432,456.80, 243,541,084.80 and 89,684,088.80 is: 134,466,723.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,432,456.80 : 243,541,084.80 = 89,684,088.80 : x
  2. Step 2: Convert to fraction form
    162,432,456.80/243,541,084.80 = 89,684,088.80/x
  3. Step 3: Cross multiply
    162,432,456.80x = 243,541,084.80 × 89,684,088.80
  4. Step 4: Simplify right side
    162,432,456.80x = 21,841,760,275,651,532
  5. Step 5: Solve for x
    x = 21,841,760,275,651,532/162,432,456.80
  6. Step 6: Final answer
    x = 134,466,723.62

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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.