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Finding the Fourth Proportional to 123,601.62, 170,570.43 and 67,013.14

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Solution

The fourth proportional to 123,601.62, 170,570.43 and 67,013.14 is: 92,478.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,601.62 : 170,570.43 = 67,013.14 : x
  2. Step 2: Convert to fraction form
    123,601.62/170,570.43 = 67,013.14/x
  3. Step 3: Cross multiply
    123,601.62x = 170,570.43 × 67,013.14
  4. Step 4: Simplify right side
    123,601.62x = 11,430,460,105.45
  5. Step 5: Solve for x
    x = 11,430,460,105.45/123,601.62
  6. Step 6: Final answer
    x = 92,478.24

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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.