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Finding the Fourth Proportional to 107,487.52, 161,231.06 and 28,601.76

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Solution

The fourth proportional to 107,487.52, 161,231.06 and 28,601.76 is: 42,902.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,487.52 : 161,231.06 = 28,601.76 : x
  2. Step 2: Convert to fraction form
    107,487.52/161,231.06 = 28,601.76/x
  3. Step 3: Cross multiply
    107,487.52x = 161,231.06 × 28,601.76
  4. Step 4: Simplify right side
    107,487.52x = 4,611,492,082.67
  5. Step 5: Solve for x
    x = 4,611,492,082.67/107,487.52
  6. Step 6: Final answer
    x = 42,902.58

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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.