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Finding the Fourth Proportional to 112,550, 155,323.88 and 62,249.04

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Solution

The fourth proportional to 112,550, 155,323.88 and 62,249.04 is: 85,906.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,550 : 155,323.88 = 62,249.04 : x
  2. Step 2: Convert to fraction form
    112,550/155,323.88 = 62,249.04/x
  3. Step 3: Cross multiply
    112,550x = 155,323.88 × 62,249.04
  4. Step 4: Simplify right side
    112,550x = 9,668,762,419.08
  5. Step 5: Solve for x
    x = 9,668,762,419.08/112,550
  6. Step 6: Final answer
    x = 85,906.37

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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.