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Finding the Fourth Proportional to 134,437.60, 201,607.80 and 67,855.60

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Solution

The fourth proportional to 134,437.60, 201,607.80 and 67,855.60 is: 101,758.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,437.60 : 201,607.80 = 67,855.60 : x
  2. Step 2: Convert to fraction form
    134,437.60/201,607.80 = 67,855.60/x
  3. Step 3: Cross multiply
    134,437.60x = 201,607.80 × 67,855.60
  4. Step 4: Simplify right side
    134,437.60x = 13,680,218,233.68
  5. Step 5: Solve for x
    x = 13,680,218,233.68/134,437.60
  6. Step 6: Final answer
    x = 101,758.87

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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.