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Finding the Fourth Proportional to 117,597.85, 176,336.30 and 38,703.13

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Solution

The fourth proportional to 117,597.85, 176,336.30 and 38,703.13 is: 58,034.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,597.85 : 176,336.30 = 38,703.13 : x
  2. Step 2: Convert to fraction form
    117,597.85/176,336.30 = 38,703.13/x
  3. Step 3: Cross multiply
    117,597.85x = 176,336.30 × 38,703.13
  4. Step 4: Simplify right side
    117,597.85x = 6,824,766,549.10
  5. Step 5: Solve for x
    x = 6,824,766,549.10/117,597.85
  6. Step 6: Final answer
    x = 58,034.79

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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.