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Finding the Fourth Proportional to 113,337.70, 169,812.15 and 54,045.70

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Solution

The fourth proportional to 113,337.70, 169,812.15 and 54,045.70 is: 80,975.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,337.70 : 169,812.15 = 54,045.70 : x
  2. Step 2: Convert to fraction form
    113,337.70/169,812.15 = 54,045.70/x
  3. Step 3: Cross multiply
    113,337.70x = 169,812.15 × 54,045.70
  4. Step 4: Simplify right side
    113,337.70x = 9,177,616,515.26
  5. Step 5: Solve for x
    x = 9,177,616,515.26/113,337.70
  6. Step 6: Final answer
    x = 80,975.85

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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.