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Finding the Fourth Proportional to 134,591.76, 201,890.88 and 64,393.92

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Solution

The fourth proportional to 134,591.76, 201,890.88 and 64,393.92 is: 96,592.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,591.76 : 201,890.88 = 64,393.92 : x
  2. Step 2: Convert to fraction form
    134,591.76/201,890.88 = 64,393.92/x
  3. Step 3: Cross multiply
    134,591.76x = 201,890.88 × 64,393.92
  4. Step 4: Simplify right side
    134,591.76x = 13,000,545,175.45
  5. Step 5: Solve for x
    x = 13,000,545,175.45/134,591.76
  6. Step 6: Final answer
    x = 96,592.43

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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.