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Finding the Fourth Proportional to 134,590.86, 201,627.56 and 75,246.56

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Solution

The fourth proportional to 134,590.86, 201,627.56 and 75,246.56 is: 112,725.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,590.86 : 201,627.56 = 75,246.56 : x
  2. Step 2: Convert to fraction form
    134,590.86/201,627.56 = 75,246.56/x
  3. Step 3: Cross multiply
    134,590.86x = 201,627.56 × 75,246.56
  4. Step 4: Simplify right side
    134,590.86x = 15,171,780,291.19
  5. Step 5: Solve for x
    x = 15,171,780,291.19/134,590.86
  6. Step 6: Final answer
    x = 112,725.19

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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.