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Finding the Fourth Proportional to 117,662.60, 176,455.98 and 38,758.04

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Solution

The fourth proportional to 117,662.60, 176,455.98 and 38,758.04 is: 58,124.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,662.60 : 176,455.98 = 38,758.04 : x
  2. Step 2: Convert to fraction form
    117,662.60/176,455.98 = 38,758.04/x
  3. Step 3: Cross multiply
    117,662.60x = 176,455.98 × 38,758.04
  4. Step 4: Simplify right side
    117,662.60x = 6,839,087,931.08
  5. Step 5: Solve for x
    x = 6,839,087,931.08/117,662.60
  6. Step 6: Final answer
    x = 58,124.57

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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.