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Finding the Fourth Proportional to 117,517.76, 176,295.04 and 38,614.08

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Solution

The fourth proportional to 117,517.76, 176,295.04 and 38,614.08 is: 57,927.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,517.76 : 176,295.04 = 38,614.08 : x
  2. Step 2: Convert to fraction form
    117,517.76/176,295.04 = 38,614.08/x
  3. Step 3: Cross multiply
    117,517.76x = 176,295.04 × 38,614.08
  4. Step 4: Simplify right side
    117,517.76x = 6,807,470,778.16
  5. Step 5: Solve for x
    x = 6,807,470,778.16/117,517.76
  6. Step 6: Final answer
    x = 57,927.17

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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.