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Finding the Fourth Proportional to 117,763.32, 176,653.20 and 38,933.04

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Solution

The fourth proportional to 117,763.32, 176,653.20 and 38,933.04 is: 58,402.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,763.32 : 176,653.20 = 38,933.04 : x
  2. Step 2: Convert to fraction form
    117,763.32/176,653.20 = 38,933.04/x
  3. Step 3: Cross multiply
    117,763.32x = 176,653.20 × 38,933.04
  4. Step 4: Simplify right side
    117,763.32x = 6,877,646,101.73
  5. Step 5: Solve for x
    x = 6,877,646,101.73/117,763.32
  6. Step 6: Final answer
    x = 58,402.28

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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.