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Finding the Fourth Proportional to 134,591.90, 201,650.92 and 119,931.30

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Solution

The fourth proportional to 134,591.90, 201,650.92 and 119,931.30 is: 179,685.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,591.90 : 201,650.92 = 119,931.30 : x
  2. Step 2: Convert to fraction form
    134,591.90/201,650.92 = 119,931.30/x
  3. Step 3: Cross multiply
    134,591.90x = 201,650.92 × 119,931.30
  4. Step 4: Simplify right side
    134,591.90x = 24,184,256,681.97
  5. Step 5: Solve for x
    x = 24,184,256,681.97/134,591.90
  6. Step 6: Final answer
    x = 179,685.83

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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.