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Finding the Fourth Proportional to 159,825.84, 220,553.20 and 88,204.93

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Solution

The fourth proportional to 159,825.84, 220,553.20 and 88,204.93 is: 121,719.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,825.84 : 220,553.20 = 88,204.93 : x
  2. Step 2: Convert to fraction form
    159,825.84/220,553.20 = 88,204.93/x
  3. Step 3: Cross multiply
    159,825.84x = 220,553.20 × 88,204.93
  4. Step 4: Simplify right side
    159,825.84x = 19,453,879,567.28
  5. Step 5: Solve for x
    x = 19,453,879,567.28/159,825.84
  6. Step 6: Final answer
    x = 121,719.24

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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.