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Finding the Fourth Proportional to 107,854.68, 148,843.76 and 60,107.60

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Solution

The fourth proportional to 107,854.68, 148,843.76 and 60,107.60 is: 82,950.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,854.68 : 148,843.76 = 60,107.60 : x
  2. Step 2: Convert to fraction form
    107,854.68/148,843.76 = 60,107.60/x
  3. Step 3: Cross multiply
    107,854.68x = 148,843.76 × 60,107.60
  4. Step 4: Simplify right side
    107,854.68x = 8,946,641,188.58
  5. Step 5: Solve for x
    x = 8,946,641,188.58/107,854.68
  6. Step 6: Final answer
    x = 82,950.89

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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.