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Finding the Fourth Proportional to 66,194.60, 99,291.90 and 65,733.80

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Solution

The fourth proportional to 66,194.60, 99,291.90 and 65,733.80 is: 98,600.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,194.60 : 99,291.90 = 65,733.80 : x
  2. Step 2: Convert to fraction form
    66,194.60/99,291.90 = 65,733.80/x
  3. Step 3: Cross multiply
    66,194.60x = 99,291.90 × 65,733.80
  4. Step 4: Simplify right side
    66,194.60x = 6,526,833,896.22
  5. Step 5: Solve for x
    x = 6,526,833,896.22/66,194.60
  6. Step 6: Final answer
    x = 98,600.70

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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.