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Finding the Fourth Proportional to 193,354.56, 266,829.68 and 108,471.52

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Solution

The fourth proportional to 193,354.56, 266,829.68 and 108,471.52 is: 149,690.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,354.56 : 266,829.68 = 108,471.52 : x
  2. Step 2: Convert to fraction form
    193,354.56/266,829.68 = 108,471.52/x
  3. Step 3: Cross multiply
    193,354.56x = 266,829.68 × 108,471.52
  4. Step 4: Simplify right side
    193,354.56x = 28,943,420,970.71
  5. Step 5: Solve for x
    x = 28,943,420,970.71/193,354.56
  6. Step 6: Final answer
    x = 149,690.91

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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.