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Finding the Fourth Proportional to 65,753.78, 98,513.82 and 44,875.22

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Solution

The fourth proportional to 65,753.78, 98,513.82 and 44,875.22 is: 67,233.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,753.78 : 98,513.82 = 44,875.22 : x
  2. Step 2: Convert to fraction form
    65,753.78/98,513.82 = 44,875.22/x
  3. Step 3: Cross multiply
    65,753.78x = 98,513.82 × 44,875.22
  4. Step 4: Simplify right side
    65,753.78x = 4,420,828,852.97
  5. Step 5: Solve for x
    x = 4,420,828,852.97/65,753.78
  6. Step 6: Final answer
    x = 67,233.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.