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Finding the Fourth Proportional to 117,657.60, 176,448.48 and 38,753.04

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Solution

The fourth proportional to 117,657.60, 176,448.48 and 38,753.04 is: 58,117.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,657.60 : 176,448.48 = 38,753.04 : x
  2. Step 2: Convert to fraction form
    117,657.60/176,448.48 = 38,753.04/x
  3. Step 3: Cross multiply
    117,657.60x = 176,448.48 × 38,753.04
  4. Step 4: Simplify right side
    117,657.60x = 6,837,915,003.38
  5. Step 5: Solve for x
    x = 6,837,915,003.38/117,657.60
  6. Step 6: Final answer
    x = 58,117.07

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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.