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Finding the Fourth Proportional to 117,522.88, 176,295.36 and 38,637.28

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Solution

The fourth proportional to 117,522.88, 176,295.36 and 38,637.28 is: 57,959.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,522.88 : 176,295.36 = 38,637.28 : x
  2. Step 2: Convert to fraction form
    117,522.88/176,295.36 = 38,637.28/x
  3. Step 3: Cross multiply
    117,522.88x = 176,295.36 × 38,637.28
  4. Step 4: Simplify right side
    117,522.88x = 6,811,573,187.02
  5. Step 5: Solve for x
    x = 6,811,573,187.02/117,522.88
  6. Step 6: Final answer
    x = 57,959.55

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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.