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Finding the Fourth Proportional to 110,672.87, 152,713.15 and 62,920.94

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Solution

The fourth proportional to 110,672.87, 152,713.15 and 62,920.94 is: 86,822.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,672.87 : 152,713.15 = 62,920.94 : x
  2. Step 2: Convert to fraction form
    110,672.87/152,713.15 = 62,920.94/x
  3. Step 3: Cross multiply
    110,672.87x = 152,713.15 × 62,920.94
  4. Step 4: Simplify right side
    110,672.87x = 9,608,854,027.49
  5. Step 5: Solve for x
    x = 9,608,854,027.49/110,672.87
  6. Step 6: Final answer
    x = 86,822.13

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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.