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Finding the Fourth Proportional to 173,724.80, 260,587.20 and 68,530.10

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Solution

The fourth proportional to 173,724.80, 260,587.20 and 68,530.10 is: 102,795.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,724.80 : 260,587.20 = 68,530.10 : x
  2. Step 2: Convert to fraction form
    173,724.80/260,587.20 = 68,530.10/x
  3. Step 3: Cross multiply
    173,724.80x = 260,587.20 × 68,530.10
  4. Step 4: Simplify right side
    173,724.80x = 17,858,066,874.72
  5. Step 5: Solve for x
    x = 17,858,066,874.72/173,724.80
  6. Step 6: Final answer
    x = 102,795.15

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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.