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Finding the Fourth Proportional to 112,695.24, 155,524.32 and 62,394.24

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Solution

The fourth proportional to 112,695.24, 155,524.32 and 62,394.24 is: 86,106.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,695.24 : 155,524.32 = 62,394.24 : x
  2. Step 2: Convert to fraction form
    112,695.24/155,524.32 = 62,394.24/x
  3. Step 3: Cross multiply
    112,695.24x = 155,524.32 × 62,394.24
  4. Step 4: Simplify right side
    112,695.24x = 9,703,821,747.92
  5. Step 5: Solve for x
    x = 9,703,821,747.92/112,695.24
  6. Step 6: Final answer
    x = 86,106.76

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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.