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Finding the Fourth Proportional to 173,364.10, 260,082.60 and 98,422.90

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Solution

The fourth proportional to 173,364.10, 260,082.60 and 98,422.90 is: 147,655.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,364.10 : 260,082.60 = 98,422.90 : x
  2. Step 2: Convert to fraction form
    173,364.10/260,082.60 = 98,422.90/x
  3. Step 3: Cross multiply
    173,364.10x = 260,082.60 × 98,422.90
  4. Step 4: Simplify right side
    173,364.10x = 25,598,083,731.54
  5. Step 5: Solve for x
    x = 25,598,083,731.54/173,364.10
  6. Step 6: Final answer
    x = 147,655.04

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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.