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Finding the Fourth Proportional to 115,753.80, 173,630.70 and 36,867.40

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Solution

The fourth proportional to 115,753.80, 173,630.70 and 36,867.40 is: 55,301.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,753.80 : 173,630.70 = 36,867.40 : x
  2. Step 2: Convert to fraction form
    115,753.80/173,630.70 = 36,867.40/x
  3. Step 3: Cross multiply
    115,753.80x = 173,630.70 × 36,867.40
  4. Step 4: Simplify right side
    115,753.80x = 6,401,312,469.18
  5. Step 5: Solve for x
    x = 6,401,312,469.18/115,753.80
  6. Step 6: Final answer
    x = 55,301.10

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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.