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Finding the Fourth Proportional to 173,470.56, 260,028.60 and 98,432.20

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Solution

The fourth proportional to 173,470.56, 260,028.60 and 98,432.20 is: 147,547.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,470.56 : 260,028.60 = 98,432.20 : x
  2. Step 2: Convert to fraction form
    173,470.56/260,028.60 = 98,432.20/x
  3. Step 3: Cross multiply
    173,470.56x = 260,028.60 × 98,432.20
  4. Step 4: Simplify right side
    173,470.56x = 25,595,187,160.92
  5. Step 5: Solve for x
    x = 25,595,187,160.92/173,470.56
  6. Step 6: Final answer
    x = 147,547.73

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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.