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Finding the Fourth Proportional to 117,521.46, 176,244.80 and 38,617.47

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Solution

The fourth proportional to 117,521.46, 176,244.80 and 38,617.47 is: 57,913.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,521.46 : 176,244.80 = 38,617.47 : x
  2. Step 2: Convert to fraction form
    117,521.46/176,244.80 = 38,617.47/x
  3. Step 3: Cross multiply
    117,521.46x = 176,244.80 × 38,617.47
  4. Step 4: Simplify right side
    117,521.46x = 6,806,128,083.57
  5. Step 5: Solve for x
    x = 6,806,128,083.57/117,521.46
  6. Step 6: Final answer
    x = 57,913.92

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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.