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Finding the Fourth Proportional to 173,720.82, 260,626.16 and 101,734.53

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Solution

The fourth proportional to 173,720.82, 260,626.16 and 101,734.53 is: 152,628.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,720.82 : 260,626.16 = 101,734.53 : x
  2. Step 2: Convert to fraction form
    173,720.82/260,626.16 = 101,734.53/x
  3. Step 3: Cross multiply
    173,720.82x = 260,626.16 × 101,734.53
  4. Step 4: Simplify right side
    173,720.82x = 26,514,679,893.30
  5. Step 5: Solve for x
    x = 26,514,679,893.30/173,720.82
  6. Step 6: Final answer
    x = 152,628.11

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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.