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Finding the Fourth Proportional to 173,397.92, 260,082.09 and 68,216.58

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Solution

The fourth proportional to 173,397.92, 260,082.09 and 68,216.58 is: 102,319.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,397.92 : 260,082.09 = 68,216.58 : x
  2. Step 2: Convert to fraction form
    173,397.92/260,082.09 = 68,216.58/x
  3. Step 3: Cross multiply
    173,397.92x = 260,082.09 × 68,216.58
  4. Step 4: Simplify right side
    173,397.92x = 17,741,910,699.05
  5. Step 5: Solve for x
    x = 17,741,910,699.05/173,397.92
  6. Step 6: Final answer
    x = 102,319.05

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1.5x scale

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.