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Finding the Fourth Proportional to 75,360.96, 104,003.20 and 41,827.20

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Solution

The fourth proportional to 75,360.96, 104,003.20 and 41,827.20 is: 57,724.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,360.96 : 104,003.20 = 41,827.20 : x
  2. Step 2: Convert to fraction form
    75,360.96/104,003.20 = 41,827.20/x
  3. Step 3: Cross multiply
    75,360.96x = 104,003.20 × 41,827.20
  4. Step 4: Simplify right side
    75,360.96x = 4,350,162,647.04
  5. Step 5: Solve for x
    x = 4,350,162,647.04/75,360.96
  6. Step 6: Final answer
    x = 57,724.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.