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Finding the Fourth Proportional to 159,703,813, 239,531,691.66 and 44,673,445

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Solution

The fourth proportional to 159,703,813, 239,531,691.66 and 44,673,445 is: 67,003,446.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,703,813 : 239,531,691.66 = 44,673,445 : x
  2. Step 2: Convert to fraction form
    159,703,813/239,531,691.66 = 44,673,445/x
  3. Step 3: Cross multiply
    159,703,813x = 239,531,691.66 × 44,673,445
  4. Step 4: Simplify right side
    159,703,813x = 10,700,705,853,129,968
  5. Step 5: Solve for x
    x = 10,700,705,853,129,968/159,703,813
  6. Step 6: Final answer
    x = 67,003,446.27

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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.