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Finding the Fourth Proportional to 110,772.30, 152,863.80 and 63,024.60

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Solution

The fourth proportional to 110,772.30, 152,863.80 and 63,024.60 is: 86,972.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,772.30 : 152,863.80 = 63,024.60 : x
  2. Step 2: Convert to fraction form
    110,772.30/152,863.80 = 63,024.60/x
  3. Step 3: Cross multiply
    110,772.30x = 152,863.80 × 63,024.60
  4. Step 4: Simplify right side
    110,772.30x = 9,634,179,849.48
  5. Step 5: Solve for x
    x = 9,634,179,849.48/110,772.30
  6. Step 6: Final answer
    x = 86,972.82

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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.