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Finding the Fourth Proportional to 79,607.81, 119,280.48 and 46,234.19

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Solution

The fourth proportional to 79,607.81, 119,280.48 and 46,234.19 is: 69,275.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,607.81 : 119,280.48 = 46,234.19 : x
  2. Step 2: Convert to fraction form
    79,607.81/119,280.48 = 46,234.19/x
  3. Step 3: Cross multiply
    79,607.81x = 119,280.48 × 46,234.19
  4. Step 4: Simplify right side
    79,607.81x = 5,514,836,375.61
  5. Step 5: Solve for x
    x = 5,514,836,375.61/79,607.81
  6. Step 6: Final answer
    x = 69,275.07

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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.