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Finding the Fourth Proportional to 83,132.40, 124,699.08 and 27,728.24

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Solution

The fourth proportional to 83,132.40, 124,699.08 and 27,728.24 is: 41,592.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,132.40 : 124,699.08 = 27,728.24 : x
  2. Step 2: Convert to fraction form
    83,132.40/124,699.08 = 27,728.24/x
  3. Step 3: Cross multiply
    83,132.40x = 124,699.08 × 27,728.24
  4. Step 4: Simplify right side
    83,132.40x = 3,457,686,018.02
  5. Step 5: Solve for x
    x = 3,457,686,018.02/83,132.40
  6. Step 6: Final answer
    x = 41,592.52

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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.