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Finding the Fourth Proportional to 62,162.55, 85,781.70 and 35,304.93

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Solution

The fourth proportional to 62,162.55, 85,781.70 and 35,304.93 is: 48,719.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,162.55 : 85,781.70 = 35,304.93 : x
  2. Step 2: Convert to fraction form
    62,162.55/85,781.70 = 35,304.93/x
  3. Step 3: Cross multiply
    62,162.55x = 85,781.70 × 35,304.93
  4. Step 4: Simplify right side
    62,162.55x = 3,028,516,913.78
  5. Step 5: Solve for x
    x = 3,028,516,913.78/62,162.55
  6. Step 6: Final answer
    x = 48,719.32

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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.