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Finding the Fourth Proportional to 70,929, 97,882.68 and 39,099.04

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Solution

The fourth proportional to 70,929, 97,882.68 and 39,099.04 is: 53,957.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,929 : 97,882.68 = 39,099.04 : x
  2. Step 2: Convert to fraction form
    70,929/97,882.68 = 39,099.04/x
  3. Step 3: Cross multiply
    70,929x = 97,882.68 × 39,099.04
  4. Step 4: Simplify right side
    70,929x = 3,827,118,820.63
  5. Step 5: Solve for x
    x = 3,827,118,820.63/70,929
  6. Step 6: Final answer
    x = 53,957.04

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