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Finding the Fourth Proportional to 201,279.90, 301,660.65 and 95,871.90

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Solution

The fourth proportional to 201,279.90, 301,660.65 and 95,871.90 is: 143,684.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,279.90 : 301,660.65 = 95,871.90 : x
  2. Step 2: Convert to fraction form
    201,279.90/301,660.65 = 95,871.90/x
  3. Step 3: Cross multiply
    201,279.90x = 301,660.65 × 95,871.90
  4. Step 4: Simplify right side
    201,279.90x = 28,920,779,670.74
  5. Step 5: Solve for x
    x = 28,920,779,670.74/201,279.90
  6. Step 6: Final answer
    x = 143,684.39

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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.