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Finding the Fourth Proportional to 101,607.52, 152,424.24 and 31,491.04

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Solution

The fourth proportional to 101,607.52, 152,424.24 and 31,491.04 is: 47,240.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,607.52 : 152,424.24 = 31,491.04 : x
  2. Step 2: Convert to fraction form
    101,607.52/152,424.24 = 31,491.04/x
  3. Step 3: Cross multiply
    101,607.52x = 152,424.24 × 31,491.04
  4. Step 4: Simplify right side
    101,607.52x = 4,799,997,838.81
  5. Step 5: Solve for x
    x = 4,799,997,838.81/101,607.52
  6. Step 6: Final answer
    x = 47,240.58

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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.