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Finding the Fourth Proportional to 173,743.80, 260,615.70 and 68,549.10

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Solution

The fourth proportional to 173,743.80, 260,615.70 and 68,549.10 is: 102,823.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,743.80 : 260,615.70 = 68,549.10 : x
  2. Step 2: Convert to fraction form
    173,743.80/260,615.70 = 68,549.10/x
  3. Step 3: Cross multiply
    173,743.80x = 260,615.70 × 68,549.10
  4. Step 4: Simplify right side
    173,743.80x = 17,864,971,680.87
  5. Step 5: Solve for x
    x = 17,864,971,680.87/173,743.80
  6. Step 6: Final answer
    x = 102,823.65

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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.