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Finding the Fourth Proportional to 107,238.79, 160,826.86 and 40,630.87

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Solution

The fourth proportional to 107,238.79, 160,826.86 and 40,630.87 is: 60,934.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,238.79 : 160,826.86 = 40,630.87 : x
  2. Step 2: Convert to fraction form
    107,238.79/160,826.86 = 40,630.87/x
  3. Step 3: Cross multiply
    107,238.79x = 160,826.86 × 40,630.87
  4. Step 4: Simplify right side
    107,238.79x = 6,534,535,241.17
  5. Step 5: Solve for x
    x = 6,534,535,241.17/107,238.79
  6. Step 6: Final answer
    x = 60,934.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.