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Finding the Fourth Proportional to 107,275.39, 148,023.30 and 61,944.65

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Solution

The fourth proportional to 107,275.39, 148,023.30 and 61,944.65 is: 85,473.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,275.39 : 148,023.30 = 61,944.65 : x
  2. Step 2: Convert to fraction form
    107,275.39/148,023.30 = 61,944.65/x
  3. Step 3: Cross multiply
    107,275.39x = 148,023.30 × 61,944.65
  4. Step 4: Simplify right side
    107,275.39x = 9,169,251,209.17
  5. Step 5: Solve for x
    x = 9,169,251,209.17/107,275.39
  6. Step 6: Final answer
    x = 85,473.95

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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.