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Finding the Fourth Proportional to 163,162.26, 225,160.43 and 90,560.92

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Solution

The fourth proportional to 163,162.26, 225,160.43 and 90,560.92 is: 124,972.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,162.26 : 225,160.43 = 90,560.92 : x
  2. Step 2: Convert to fraction form
    163,162.26/225,160.43 = 90,560.92/x
  3. Step 3: Cross multiply
    163,162.26x = 225,160.43 × 90,560.92
  4. Step 4: Simplify right side
    163,162.26x = 20,390,736,166.12
  5. Step 5: Solve for x
    x = 20,390,736,166.12/163,162.26
  6. Step 6: Final answer
    x = 124,972.14

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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.