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Finding the Fourth Proportional to 163,710.38, 225,850.43 and 93,822.66

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Solution

The fourth proportional to 163,710.38, 225,850.43 and 93,822.66 is: 129,435.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,710.38 : 225,850.43 = 93,822.66 : x
  2. Step 2: Convert to fraction form
    163,710.38/225,850.43 = 93,822.66/x
  3. Step 3: Cross multiply
    163,710.38x = 225,850.43 × 93,822.66
  4. Step 4: Simplify right side
    163,710.38x = 21,189,888,339.30
  5. Step 5: Solve for x
    x = 21,189,888,339.30/163,710.38
  6. Step 6: Final answer
    x = 129,435.21

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1.5x scale

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.