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Finding the Fourth Proportional to 65,180.40, 89,902.48 and 59,820.11

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Solution

The fourth proportional to 65,180.40, 89,902.48 and 59,820.11 is: 82,509.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,180.40 : 89,902.48 = 59,820.11 : x
  2. Step 2: Convert to fraction form
    65,180.40/89,902.48 = 59,820.11/x
  3. Step 3: Cross multiply
    65,180.40x = 89,902.48 × 59,820.11
  4. Step 4: Simplify right side
    65,180.40x = 5,377,976,242.87
  5. Step 5: Solve for x
    x = 5,377,976,242.87/65,180.40
  6. Step 6: Final answer
    x = 82,509.10

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