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Finding the Fourth Proportional to 155,825.70, 233,750.70 and 67,082.10

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Solution

The fourth proportional to 155,825.70, 233,750.70 and 67,082.10 is: 100,628.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,825.70 : 233,750.70 = 67,082.10 : x
  2. Step 2: Convert to fraction form
    155,825.70/233,750.70 = 67,082.10/x
  3. Step 3: Cross multiply
    155,825.70x = 233,750.70 × 67,082.10
  4. Step 4: Simplify right side
    155,825.70x = 15,680,487,832.47
  5. Step 5: Solve for x
    x = 15,680,487,832.47/155,825.70
  6. Step 6: Final answer
    x = 100,628.38

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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.