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Finding the Fourth Proportional to 117,485.01, 176,169.63 and 42,593.91

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Solution

The fourth proportional to 117,485.01, 176,169.63 and 42,593.91 is: 63,869.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,485.01 : 176,169.63 = 42,593.91 : x
  2. Step 2: Convert to fraction form
    117,485.01/176,169.63 = 42,593.91/x
  3. Step 3: Cross multiply
    117,485.01x = 176,169.63 × 42,593.91
  4. Step 4: Simplify right side
    117,485.01x = 7,503,753,364.95
  5. Step 5: Solve for x
    x = 7,503,753,364.95/117,485.01
  6. Step 6: Final answer
    x = 63,869.88

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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.