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Finding the Fourth Proportional to 218,601.02, 327,617.48 and 98,569.82

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Solution

The fourth proportional to 218,601.02, 327,617.48 and 98,569.82 is: 147,726.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,601.02 : 327,617.48 = 98,569.82 : x
  2. Step 2: Convert to fraction form
    218,601.02/327,617.48 = 98,569.82/x
  3. Step 3: Cross multiply
    218,601.02x = 327,617.48 × 98,569.82
  4. Step 4: Simplify right side
    218,601.02x = 32,293,196,032.45
  5. Step 5: Solve for x
    x = 32,293,196,032.45/218,601.02
  6. Step 6: Final answer
    x = 147,726.65

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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.