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Finding the Fourth Proportional to 239,207.67, 358,862.13 and 70,714.71

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Solution

The fourth proportional to 239,207.67, 358,862.13 and 70,714.71 is: 106,087.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,207.67 : 358,862.13 = 70,714.71 : x
  2. Step 2: Convert to fraction form
    239,207.67/358,862.13 = 70,714.71/x
  3. Step 3: Cross multiply
    239,207.67x = 358,862.13 × 70,714.71
  4. Step 4: Simplify right side
    239,207.67x = 25,376,831,452.93
  5. Step 5: Solve for x
    x = 25,376,831,452.93/239,207.67
  6. Step 6: Final answer
    x = 106,087.03

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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.