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Finding the Fourth Proportional to 134,404.18, 201,731.04 and 67,891.06

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Solution

The fourth proportional to 134,404.18, 201,731.04 and 67,891.06 is: 101,899.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,404.18 : 201,731.04 = 67,891.06 : x
  2. Step 2: Convert to fraction form
    134,404.18/201,731.04 = 67,891.06/x
  3. Step 3: Cross multiply
    134,404.18x = 201,731.04 × 67,891.06
  4. Step 4: Simplify right side
    134,404.18x = 13,695,734,140.50
  5. Step 5: Solve for x
    x = 13,695,734,140.50/134,404.18
  6. Step 6: Final answer
    x = 101,899.61

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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.