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Finding the Fourth Proportional to 168,158.73, 252,239.01 and 49,831.10

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Solution

The fourth proportional to 168,158.73, 252,239.01 and 49,831.10 is: 74,746.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,158.73 : 252,239.01 = 49,831.10 : x
  2. Step 2: Convert to fraction form
    168,158.73/252,239.01 = 49,831.10/x
  3. Step 3: Cross multiply
    168,158.73x = 252,239.01 × 49,831.10
  4. Step 4: Simplify right side
    168,158.73x = 12,569,347,331.21
  5. Step 5: Solve for x
    x = 12,569,347,331.21/168,158.73
  6. Step 6: Final answer
    x = 74,746.92

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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.