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Finding the Fourth Proportional to 66,053.60, 99,080.40 and 41,170.40

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Solution

The fourth proportional to 66,053.60, 99,080.40 and 41,170.40 is: 61,755.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,053.60 : 99,080.40 = 41,170.40 : x
  2. Step 2: Convert to fraction form
    66,053.60/99,080.40 = 41,170.40/x
  3. Step 3: Cross multiply
    66,053.60x = 99,080.40 × 41,170.40
  4. Step 4: Simplify right side
    66,053.60x = 4,079,179,700.16
  5. Step 5: Solve for x
    x = 4,079,179,700.16/66,053.60
  6. Step 6: Final answer
    x = 61,755.60

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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.