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Finding the Fourth Proportional to 74,250.72, 111,364.76 and 24,336

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Solution

The fourth proportional to 74,250.72, 111,364.76 and 24,336 is: 36,500.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,250.72 : 111,364.76 = 24,336 : x
  2. Step 2: Convert to fraction form
    74,250.72/111,364.76 = 24,336/x
  3. Step 3: Cross multiply
    74,250.72x = 111,364.76 × 24,336
  4. Step 4: Simplify right side
    74,250.72x = 2,710,172,799.36
  5. Step 5: Solve for x
    x = 2,710,172,799.36/74,250.72
  6. Step 6: Final answer
    x = 36,500.29

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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.