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Finding the Fourth Proportional to 71,153.01, 98,193.12 and 39,323.97

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Solution

The fourth proportional to 71,153.01, 98,193.12 and 39,323.97 is: 54,268.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,153.01 : 98,193.12 = 39,323.97 : x
  2. Step 2: Convert to fraction form
    71,153.01/98,193.12 = 39,323.97/x
  3. Step 3: Cross multiply
    71,153.01x = 98,193.12 × 39,323.97
  4. Step 4: Simplify right side
    71,153.01x = 3,861,343,305.09
  5. Step 5: Solve for x
    x = 3,861,343,305.09/71,153.01
  6. Step 6: Final answer
    x = 54,268.17

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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.