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Finding the Fourth Proportional to 141,066.01, 194,671.10 and 80,637.97

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Solution

The fourth proportional to 141,066.01, 194,671.10 and 80,637.97 is: 111,280.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,066.01 : 194,671.10 = 80,637.97 : x
  2. Step 2: Convert to fraction form
    141,066.01/194,671.10 = 80,637.97/x
  3. Step 3: Cross multiply
    141,066.01x = 194,671.10 × 80,637.97
  4. Step 4: Simplify right side
    141,066.01x = 15,697,882,321.67
  5. Step 5: Solve for x
    x = 15,697,882,321.67/141,066.01
  6. Step 6: Final answer
    x = 111,280.40

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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.