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Finding the Fourth Proportional to 82,362.40, 123,543.60 and 29,773.60

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Solution

The fourth proportional to 82,362.40, 123,543.60 and 29,773.60 is: 44,660.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,362.40 : 123,543.60 = 29,773.60 : x
  2. Step 2: Convert to fraction form
    82,362.40/123,543.60 = 29,773.60/x
  3. Step 3: Cross multiply
    82,362.40x = 123,543.60 × 29,773.60
  4. Step 4: Simplify right side
    82,362.40x = 3,678,337,728.96
  5. Step 5: Solve for x
    x = 3,678,337,728.96/82,362.40
  6. Step 6: Final answer
    x = 44,660.40

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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.