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Finding the Fourth Proportional to 71,754.48, 98,965.08 and 46,612.08

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Solution

The fourth proportional to 71,754.48, 98,965.08 and 46,612.08 is: 64,288.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,754.48 : 98,965.08 = 46,612.08 : x
  2. Step 2: Convert to fraction form
    71,754.48/98,965.08 = 46,612.08/x
  3. Step 3: Cross multiply
    71,754.48x = 98,965.08 × 46,612.08
  4. Step 4: Simplify right side
    71,754.48x = 4,612,968,226.17
  5. Step 5: Solve for x
    x = 4,612,968,226.17/71,754.48
  6. Step 6: Final answer
    x = 64,288.23

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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.