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Finding the Fourth Proportional to 98,618.82, 147,965.51 and 59,203.41

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Solution

The fourth proportional to 98,618.82, 147,965.51 and 59,203.41 is: 88,827.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,618.82 : 147,965.51 = 59,203.41 : x
  2. Step 2: Convert to fraction form
    98,618.82/147,965.51 = 59,203.41/x
  3. Step 3: Cross multiply
    98,618.82x = 147,965.51 × 59,203.41
  4. Step 4: Simplify right side
    98,618.82x = 8,760,062,754.39
  5. Step 5: Solve for x
    x = 8,760,062,754.39/98,618.82
  6. Step 6: Final answer
    x = 88,827.50

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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.