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Finding the Fourth Proportional to 59,174, 81,660.76 and 32,317.28

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Solution

The fourth proportional to 59,174, 81,660.76 and 32,317.28 is: 44,598.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,174 : 81,660.76 = 32,317.28 : x
  2. Step 2: Convert to fraction form
    59,174/81,660.76 = 32,317.28/x
  3. Step 3: Cross multiply
    59,174x = 81,660.76 × 32,317.28
  4. Step 4: Simplify right side
    59,174x = 2,639,053,645.93
  5. Step 5: Solve for x
    x = 2,639,053,645.93/59,174
  6. Step 6: Final answer
    x = 44,598.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.