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Finding the Fourth Proportional to 112,494.51, 155,242.26 and 62,193.51

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Solution

The fourth proportional to 112,494.51, 155,242.26 and 62,193.51 is: 85,826.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,494.51 : 155,242.26 = 62,193.51 : x
  2. Step 2: Convert to fraction form
    112,494.51/155,242.26 = 62,193.51/x
  3. Step 3: Cross multiply
    112,494.51x = 155,242.26 × 62,193.51
  4. Step 4: Simplify right side
    112,494.51x = 9,655,061,049.73
  5. Step 5: Solve for x
    x = 9,655,061,049.73/112,494.51
  6. Step 6: Final answer
    x = 85,826.95

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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.