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Finding the Fourth Proportional to 129,924, 194,893.39 and 36,437.04

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Solution

The fourth proportional to 129,924, 194,893.39 and 36,437.04 is: 54,657.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,924 : 194,893.39 = 36,437.04 : x
  2. Step 2: Convert to fraction form
    129,924/194,893.39 = 36,437.04/x
  3. Step 3: Cross multiply
    129,924x = 194,893.39 × 36,437.04
  4. Step 4: Simplify right side
    129,924x = 7,101,338,292.71
  5. Step 5: Solve for x
    x = 7,101,338,292.71/129,924
  6. Step 6: Final answer
    x = 54,657.63

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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.