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Finding the Fourth Proportional to 117,805.28, 176,764.62 and 58,646.12

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Solution

The fourth proportional to 117,805.28, 176,764.62 and 58,646.12 is: 87,997.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,805.28 : 176,764.62 = 58,646.12 : x
  2. Step 2: Convert to fraction form
    117,805.28/176,764.62 = 58,646.12/x
  3. Step 3: Cross multiply
    117,805.28x = 176,764.62 × 58,646.12
  4. Step 4: Simplify right side
    117,805.28x = 10,366,559,116.27
  5. Step 5: Solve for x
    x = 10,366,559,116.27/117,805.28
  6. Step 6: Final answer
    x = 87,997.41

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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.