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Finding the Fourth Proportional to 84,508.95, 116,622.16 and 50,515.79

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Solution

The fourth proportional to 84,508.95, 116,622.16 and 50,515.79 is: 69,711.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,508.95 : 116,622.16 = 50,515.79 : x
  2. Step 2: Convert to fraction form
    84,508.95/116,622.16 = 50,515.79/x
  3. Step 3: Cross multiply
    84,508.95x = 116,622.16 × 50,515.79
  4. Step 4: Simplify right side
    84,508.95x = 5,891,260,543.91
  5. Step 5: Solve for x
    x = 5,891,260,543.91/84,508.95
  6. Step 6: Final answer
    x = 69,711.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.