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Finding the Fourth Proportional to 173,785.68, 260,442.72 and 73,820.52

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Solution

The fourth proportional to 173,785.68, 260,442.72 and 73,820.52 is: 110,630.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,785.68 : 260,442.72 = 73,820.52 : x
  2. Step 2: Convert to fraction form
    173,785.68/260,442.72 = 73,820.52/x
  3. Step 3: Cross multiply
    173,785.68x = 260,442.72 × 73,820.52
  4. Step 4: Simplify right side
    173,785.68x = 19,226,017,020.61
  5. Step 5: Solve for x
    x = 19,226,017,020.61/173,785.68
  6. Step 6: Final answer
    x = 110,630.62

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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.