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Finding the Fourth Proportional to 79,565.48, 119,264.52 and 60,804.80

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Solution

The fourth proportional to 79,565.48, 119,264.52 and 60,804.80 is: 91,143.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,565.48 : 119,264.52 = 60,804.80 : x
  2. Step 2: Convert to fraction form
    79,565.48/119,264.52 = 60,804.80/x
  3. Step 3: Cross multiply
    79,565.48x = 119,264.52 × 60,804.80
  4. Step 4: Simplify right side
    79,565.48x = 7,251,855,285.70
  5. Step 5: Solve for x
    x = 7,251,855,285.70/79,565.48
  6. Step 6: Final answer
    x = 91,143.24

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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.