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Finding the Fourth Proportional to 71,265.89, 98,250.53 and 45,727.89

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Solution

The fourth proportional to 71,265.89, 98,250.53 and 45,727.89 is: 63,042.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,265.89 : 98,250.53 = 45,727.89 : x
  2. Step 2: Convert to fraction form
    71,265.89/98,250.53 = 45,727.89/x
  3. Step 3: Cross multiply
    71,265.89x = 98,250.53 × 45,727.89
  4. Step 4: Simplify right side
    71,265.89x = 4,492,789,199.64
  5. Step 5: Solve for x
    x = 4,492,789,199.64/71,265.89
  6. Step 6: Final answer
    x = 63,042.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.