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Finding the Fourth Proportional to 101,624.60, 152,145.30 and 89,960.60

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Solution

The fourth proportional to 101,624.60, 152,145.30 and 89,960.60 is: 134,682.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,624.60 : 152,145.30 = 89,960.60 : x
  2. Step 2: Convert to fraction form
    101,624.60/152,145.30 = 89,960.60/x
  3. Step 3: Cross multiply
    101,624.60x = 152,145.30 × 89,960.60
  4. Step 4: Simplify right side
    101,624.60x = 13,687,082,475.18
  5. Step 5: Solve for x
    x = 13,687,082,475.18/101,624.60
  6. Step 6: Final answer
    x = 134,682.77

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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.