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Finding the Fourth Proportional to 107,687.34, 160,724.61 and 100,601.46

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Solution

The fourth proportional to 107,687.34, 160,724.61 and 100,601.46 is: 150,148.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,687.34 : 160,724.61 = 100,601.46 : x
  2. Step 2: Convert to fraction form
    107,687.34/160,724.61 = 100,601.46/x
  3. Step 3: Cross multiply
    107,687.34x = 160,724.61 × 100,601.46
  4. Step 4: Simplify right side
    107,687.34x = 16,169,130,423.93
  5. Step 5: Solve for x
    x = 16,169,130,423.93/107,687.34
  6. Step 6: Final answer
    x = 150,148.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.