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Finding the Fourth Proportional to 243,324.10, 364,987.01 and 74,843.29

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Solution

The fourth proportional to 243,324.10, 364,987.01 and 74,843.29 is: 112,265.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,324.10 : 364,987.01 = 74,843.29 : x
  2. Step 2: Convert to fraction form
    243,324.10/364,987.01 = 74,843.29/x
  3. Step 3: Cross multiply
    243,324.10x = 364,987.01 × 74,843.29
  4. Step 4: Simplify right side
    243,324.10x = 27,316,827,910.30
  5. Step 5: Solve for x
    x = 27,316,827,910.30/243,324.10
  6. Step 6: Final answer
    x = 112,265.20

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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.