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Finding the Fourth Proportional to 117,190.17, 175,807.11 and 38,308.71

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Solution

The fourth proportional to 117,190.17, 175,807.11 and 38,308.71 is: 57,470.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,190.17 : 175,807.11 = 38,308.71 : x
  2. Step 2: Convert to fraction form
    117,190.17/175,807.11 = 38,308.71/x
  3. Step 3: Cross multiply
    117,190.17x = 175,807.11 × 38,308.71
  4. Step 4: Simplify right side
    117,190.17x = 6,734,943,592.93
  5. Step 5: Solve for x
    x = 6,734,943,592.93/117,190.17
  6. Step 6: Final answer
    x = 57,470.21

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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.