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Finding the Fourth Proportional to 201,016.04, 301,514.16 and 74,680.88

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Solution

The fourth proportional to 201,016.04, 301,514.16 and 74,680.88 is: 112,017.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,016.04 : 301,514.16 = 74,680.88 : x
  2. Step 2: Convert to fraction form
    201,016.04/301,514.16 = 74,680.88/x
  3. Step 3: Cross multiply
    201,016.04x = 301,514.16 × 74,680.88
  4. Step 4: Simplify right side
    201,016.04x = 22,517,342,801.26
  5. Step 5: Solve for x
    x = 22,517,342,801.26/201,016.04
  6. Step 6: Final answer
    x = 112,017.64

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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.