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Finding the Fourth Proportional to 88,732.44, 122,444.28 and 48,447

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Solution

The fourth proportional to 88,732.44, 122,444.28 and 48,447 is: 66,853.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,732.44 : 122,444.28 = 48,447 : x
  2. Step 2: Convert to fraction form
    88,732.44/122,444.28 = 48,447/x
  3. Step 3: Cross multiply
    88,732.44x = 122,444.28 × 48,447
  4. Step 4: Simplify right side
    88,732.44x = 5,932,058,033.16
  5. Step 5: Solve for x
    x = 5,932,058,033.16/88,732.44
  6. Step 6: Final answer
    x = 66,853.32

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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.