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Finding the Fourth Proportional to 71,301.28, 98,352.72 and 45,799.06

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Solution

The fourth proportional to 71,301.28, 98,352.72 and 45,799.06 is: 63,175.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,301.28 : 98,352.72 = 45,799.06 : x
  2. Step 2: Convert to fraction form
    71,301.28/98,352.72 = 45,799.06/x
  3. Step 3: Cross multiply
    71,301.28x = 98,352.72 × 45,799.06
  4. Step 4: Simplify right side
    71,301.28x = 4,504,462,124.44
  5. Step 5: Solve for x
    x = 4,504,462,124.44/71,301.28
  6. Step 6: Final answer
    x = 63,175.05

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1.5x scale

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.