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Finding the Fourth Proportional to 98,825.52, 148,240.71 and 28,705.44

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Solution

The fourth proportional to 98,825.52, 148,240.71 and 28,705.44 is: 43,058.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,825.52 : 148,240.71 = 28,705.44 : x
  2. Step 2: Convert to fraction form
    98,825.52/148,240.71 = 28,705.44/x
  3. Step 3: Cross multiply
    98,825.52x = 148,240.71 × 28,705.44
  4. Step 4: Simplify right side
    98,825.52x = 4,255,313,921.73
  5. Step 5: Solve for x
    x = 4,255,313,921.73/98,825.52
  6. Step 6: Final answer
    x = 43,058.86

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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.