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Finding the Fourth Proportional to 201,009.41, 301,433.65 and 88,609.75

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Solution

The fourth proportional to 201,009.41, 301,433.65 and 88,609.75 is: 132,879.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,009.41 : 301,433.65 = 88,609.75 : x
  2. Step 2: Convert to fraction form
    201,009.41/301,433.65 = 88,609.75/x
  3. Step 3: Cross multiply
    201,009.41x = 301,433.65 × 88,609.75
  4. Step 4: Simplify right side
    201,009.41x = 26,709,960,368.09
  5. Step 5: Solve for x
    x = 26,709,960,368.09/201,009.41
  6. Step 6: Final answer
    x = 132,879.15

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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.