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Finding the Fourth Proportional to 101,129.61, 151,718.82 and 37,950.24

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Solution

The fourth proportional to 101,129.61, 151,718.82 and 37,950.24 is: 56,934.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,129.61 : 151,718.82 = 37,950.24 : x
  2. Step 2: Convert to fraction form
    101,129.61/151,718.82 = 37,950.24/x
  3. Step 3: Cross multiply
    101,129.61x = 151,718.82 × 37,950.24
  4. Step 4: Simplify right side
    101,129.61x = 5,757,765,631.52
  5. Step 5: Solve for x
    x = 5,757,765,631.52/101,129.61
  6. Step 6: Final answer
    x = 56,934.52

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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.