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Finding the Fourth Proportional to 173,419.70, 260,129.55 and 48,760.70

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Solution

The fourth proportional to 173,419.70, 260,129.55 and 48,760.70 is: 73,141.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,419.70 : 260,129.55 = 48,760.70 : x
  2. Step 2: Convert to fraction form
    173,419.70/260,129.55 = 48,760.70/x
  3. Step 3: Cross multiply
    173,419.70x = 260,129.55 × 48,760.70
  4. Step 4: Simplify right side
    173,419.70x = 12,684,097,648.04
  5. Step 5: Solve for x
    x = 12,684,097,648.04/173,419.70
  6. Step 6: Final answer
    x = 73,141.04

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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.