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Finding the Fourth Proportional to 98,058.44, 146,790.24 and 88,702.40

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Solution

The fourth proportional to 98,058.44, 146,790.24 and 88,702.40 is: 132,784.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,058.44 : 146,790.24 = 88,702.40 : x
  2. Step 2: Convert to fraction form
    98,058.44/146,790.24 = 88,702.40/x
  3. Step 3: Cross multiply
    98,058.44x = 146,790.24 × 88,702.40
  4. Step 4: Simplify right side
    98,058.44x = 13,020,646,584.58
  5. Step 5: Solve for x
    x = 13,020,646,584.58/98,058.44
  6. Step 6: Final answer
    x = 132,784.56

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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.