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Finding the Fourth Proportional to 308,750.59, 463,061.08 and 87,082.75

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Solution

The fourth proportional to 308,750.59, 463,061.08 and 87,082.75 is: 130,605.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,750.59 : 463,061.08 = 87,082.75 : x
  2. Step 2: Convert to fraction form
    308,750.59/463,061.08 = 87,082.75/x
  3. Step 3: Cross multiply
    308,750.59x = 463,061.08 × 87,082.75
  4. Step 4: Simplify right side
    308,750.59x = 40,324,632,264.37
  5. Step 5: Solve for x
    x = 40,324,632,264.37/308,750.59
  6. Step 6: Final answer
    x = 130,605.85

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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.