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Finding the Fourth Proportional to 67,345.62, 100,223.26 and 65,103.13

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Solution

The fourth proportional to 67,345.62, 100,223.26 and 65,103.13 is: 96,886.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,345.62 : 100,223.26 = 65,103.13 : x
  2. Step 2: Convert to fraction form
    67,345.62/100,223.26 = 65,103.13/x
  3. Step 3: Cross multiply
    67,345.62x = 100,223.26 × 65,103.13
  4. Step 4: Simplify right side
    67,345.62x = 6,524,847,924.80
  5. Step 5: Solve for x
    x = 6,524,847,924.80/67,345.62
  6. Step 6: Final answer
    x = 96,886.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.