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Finding the Fourth Proportional to 70,882.10, 97,818.04 and 39,052.14

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Solution

The fourth proportional to 70,882.10, 97,818.04 and 39,052.14 is: 53,892.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,882.10 : 97,818.04 = 39,052.14 : x
  2. Step 2: Convert to fraction form
    70,882.10/97,818.04 = 39,052.14/x
  3. Step 3: Cross multiply
    70,882.10x = 97,818.04 × 39,052.14
  4. Step 4: Simplify right side
    70,882.10x = 3,820,003,792.61
  5. Step 5: Solve for x
    x = 3,820,003,792.61/70,882.10
  6. Step 6: Final answer
    x = 53,892.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.