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Finding the Fourth Proportional to 85,599.52, 118,102.80 and 49,294.24

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Solution

The fourth proportional to 85,599.52, 118,102.80 and 49,294.24 is: 68,011.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,599.52 : 118,102.80 = 49,294.24 : x
  2. Step 2: Convert to fraction form
    85,599.52/118,102.80 = 49,294.24/x
  3. Step 3: Cross multiply
    85,599.52x = 118,102.80 × 49,294.24
  4. Step 4: Simplify right side
    85,599.52x = 5,821,787,767.87
  5. Step 5: Solve for x
    x = 5,821,787,767.87/85,599.52
  6. Step 6: Final answer
    x = 68,011.92

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1.5x scale

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.