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Finding the Fourth Proportional to 67,207.83, 92,546.60 and 65,716.07

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Solution

The fourth proportional to 67,207.83, 92,546.60 and 65,716.07 is: 90,492.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,207.83 : 92,546.60 = 65,716.07 : x
  2. Step 2: Convert to fraction form
    67,207.83/92,546.60 = 65,716.07/x
  3. Step 3: Cross multiply
    67,207.83x = 92,546.60 × 65,716.07
  4. Step 4: Simplify right side
    67,207.83x = 6,081,799,239.52
  5. Step 5: Solve for x
    x = 6,081,799,239.52/67,207.83
  6. Step 6: Final answer
    x = 90,492.42

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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.