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Finding the Fourth Proportional to 107,334.68, 148,070.40 and 75,521.12

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Solution

The fourth proportional to 107,334.68, 148,070.40 and 75,521.12 is: 104,182.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,334.68 : 148,070.40 = 75,521.12 : x
  2. Step 2: Convert to fraction form
    107,334.68/148,070.40 = 75,521.12/x
  3. Step 3: Cross multiply
    107,334.68x = 148,070.40 × 75,521.12
  4. Step 4: Simplify right side
    107,334.68x = 11,182,442,446.85
  5. Step 5: Solve for x
    x = 11,182,442,446.85/107,334.68
  6. Step 6: Final answer
    x = 104,182.94

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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.