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Finding the Fourth Proportional to 116,081.40, 173,862.90 and 89,578.20

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Solution

The fourth proportional to 116,081.40, 173,862.90 and 89,578.20 is: 134,167.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,081.40 : 173,862.90 = 89,578.20 : x
  2. Step 2: Convert to fraction form
    116,081.40/173,862.90 = 89,578.20/x
  3. Step 3: Cross multiply
    116,081.40x = 173,862.90 × 89,578.20
  4. Step 4: Simplify right side
    116,081.40x = 15,574,325,628.78
  5. Step 5: Solve for x
    x = 15,574,325,628.78/116,081.40
  6. Step 6: Final answer
    x = 134,167.28

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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.