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Finding the Fourth Proportional to 101,013.81, 151,503.57 and 29,934.96

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Solution

The fourth proportional to 101,013.81, 151,503.57 and 29,934.96 is: 44,897.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,013.81 : 151,503.57 = 29,934.96 : x
  2. Step 2: Convert to fraction form
    101,013.81/151,503.57 = 29,934.96/x
  3. Step 3: Cross multiply
    101,013.81x = 151,503.57 × 29,934.96
  4. Step 4: Simplify right side
    101,013.81x = 4,535,253,307.81
  5. Step 5: Solve for x
    x = 4,535,253,307.81/101,013.81
  6. Step 6: Final answer
    x = 44,897.36

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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.