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Finding the Fourth Proportional to 74,691.92, 112,038.29 and 22,101.86

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Solution

The fourth proportional to 74,691.92, 112,038.29 and 22,101.86 is: 33,152.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,691.92 : 112,038.29 = 22,101.86 : x
  2. Step 2: Convert to fraction form
    74,691.92/112,038.29 = 22,101.86/x
  3. Step 3: Cross multiply
    74,691.92x = 112,038.29 × 22,101.86
  4. Step 4: Simplify right side
    74,691.92x = 2,476,254,852.69
  5. Step 5: Solve for x
    x = 2,476,254,852.69/74,691.92
  6. Step 6: Final answer
    x = 33,152.91

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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.