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Finding the Fourth Proportional to 73,883.10, 110,824.65 and 66,740.70

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Solution

The fourth proportional to 73,883.10, 110,824.65 and 66,740.70 is: 100,111.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,883.10 : 110,824.65 = 66,740.70 : x
  2. Step 2: Convert to fraction form
    73,883.10/110,824.65 = 66,740.70/x
  3. Step 3: Cross multiply
    73,883.10x = 110,824.65 × 66,740.70
  4. Step 4: Simplify right side
    73,883.10x = 7,396,514,718.26
  5. Step 5: Solve for x
    x = 7,396,514,718.26/73,883.10
  6. Step 6: Final answer
    x = 100,111.05

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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.