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Finding the Fourth Proportional to 77,665.52, 116,614.92 and 44,423.12

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Solution

The fourth proportional to 77,665.52, 116,614.92 and 44,423.12 is: 66,701.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,665.52 : 116,614.92 = 44,423.12 : x
  2. Step 2: Convert to fraction form
    77,665.52/116,614.92 = 44,423.12/x
  3. Step 3: Cross multiply
    77,665.52x = 116,614.92 × 44,423.12
  4. Step 4: Simplify right side
    77,665.52x = 5,180,398,584.95
  5. Step 5: Solve for x
    x = 5,180,398,584.95/77,665.52
  6. Step 6: Final answer
    x = 66,701.40

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1.5x scale

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.