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Finding the Fourth Proportional to 117,064.96, 175,592.17 and 38,179.87

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Solution

The fourth proportional to 117,064.96, 175,592.17 and 38,179.87 is: 57,268.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,064.96 : 175,592.17 = 38,179.87 : x
  2. Step 2: Convert to fraction form
    117,064.96/175,592.17 = 38,179.87/x
  3. Step 3: Cross multiply
    117,064.96x = 175,592.17 × 38,179.87
  4. Step 4: Simplify right side
    117,064.96x = 6,704,085,689.19
  5. Step 5: Solve for x
    x = 6,704,085,689.19/117,064.96
  6. Step 6: Final answer
    x = 57,268.08

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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.