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Finding the Fourth Proportional to 97,652.20, 146,132.70 and 66,548.20

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Solution

The fourth proportional to 97,652.20, 146,132.70 and 66,548.20 is: 99,586.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,652.20 : 146,132.70 = 66,548.20 : x
  2. Step 2: Convert to fraction form
    97,652.20/146,132.70 = 66,548.20/x
  3. Step 3: Cross multiply
    97,652.20x = 146,132.70 × 66,548.20
  4. Step 4: Simplify right side
    97,652.20x = 9,724,868,146.14
  5. Step 5: Solve for x
    x = 9,724,868,146.14/97,652.20
  6. Step 6: Final answer
    x = 99,586.78

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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.