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Finding the Fourth Proportional to 115,605.20, 173,116.20 and 92,277.20

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Solution

The fourth proportional to 115,605.20, 173,116.20 and 92,277.20 is: 138,183.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,605.20 : 173,116.20 = 92,277.20 : x
  2. Step 2: Convert to fraction form
    115,605.20/173,116.20 = 92,277.20/x
  3. Step 3: Cross multiply
    115,605.20x = 173,116.20 × 92,277.20
  4. Step 4: Simplify right side
    115,605.20x = 15,974,678,210.64
  5. Step 5: Solve for x
    x = 15,974,678,210.64/115,605.20
  6. Step 6: Final answer
    x = 138,183.04

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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.