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Finding the Fourth Proportional to 151,291.54, 226,831.92 and 67,005.88

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Solution

The fourth proportional to 151,291.54, 226,831.92 and 67,005.88 is: 100,462.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,291.54 : 226,831.92 = 67,005.88 : x
  2. Step 2: Convert to fraction form
    151,291.54/226,831.92 = 67,005.88/x
  3. Step 3: Cross multiply
    151,291.54x = 226,831.92 × 67,005.88
  4. Step 4: Simplify right side
    151,291.54x = 15,199,072,411.69
  5. Step 5: Solve for x
    x = 15,199,072,411.69/151,291.54
  6. Step 6: Final answer
    x = 100,462.14

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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.