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Finding the Fourth Proportional to 107,591.55, 148,374.41 and 68,841.65

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Solution

The fourth proportional to 107,591.55, 148,374.41 and 68,841.65 is: 94,936.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,591.55 : 148,374.41 = 68,841.65 : x
  2. Step 2: Convert to fraction form
    107,591.55/148,374.41 = 68,841.65/x
  3. Step 3: Cross multiply
    107,591.55x = 148,374.41 × 68,841.65
  4. Step 4: Simplify right side
    107,591.55x = 10,214,338,116.10
  5. Step 5: Solve for x
    x = 10,214,338,116.10/107,591.55
  6. Step 6: Final answer
    x = 94,936.25

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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.