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Finding the Fourth Proportional to 104,572.84, 156,890.04 and 38,011.92

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Solution

The fourth proportional to 104,572.84, 156,890.04 and 38,011.92 is: 57,029.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,572.84 : 156,890.04 = 38,011.92 : x
  2. Step 2: Convert to fraction form
    104,572.84/156,890.04 = 38,011.92/x
  3. Step 3: Cross multiply
    104,572.84x = 156,890.04 × 38,011.92
  4. Step 4: Simplify right side
    104,572.84x = 5,963,691,649.28
  5. Step 5: Solve for x
    x = 5,963,691,649.28/104,572.84
  6. Step 6: Final answer
    x = 57,029.07

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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.