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Finding the Fourth Proportional to 71,230.29, 98,256.75 and 45,340.97

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Solution

The fourth proportional to 71,230.29, 98,256.75 and 45,340.97 is: 62,544.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,230.29 : 98,256.75 = 45,340.97 : x
  2. Step 2: Convert to fraction form
    71,230.29/98,256.75 = 45,340.97/x
  3. Step 3: Cross multiply
    71,230.29x = 98,256.75 × 45,340.97
  4. Step 4: Simplify right side
    71,230.29x = 4,455,055,692.74
  5. Step 5: Solve for x
    x = 4,455,055,692.74/71,230.29
  6. Step 6: Final answer
    x = 62,544.40

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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.