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Finding the Fourth Proportional to 123,674.24, 170,670.51 and 69,958.11

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Solution

The fourth proportional to 123,674.24, 170,670.51 and 69,958.11 is: 96,542.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,674.24 : 170,670.51 = 69,958.11 : x
  2. Step 2: Convert to fraction form
    123,674.24/170,670.51 = 69,958.11/x
  3. Step 3: Cross multiply
    123,674.24x = 170,670.51 × 69,958.11
  4. Step 4: Simplify right side
    123,674.24x = 11,939,786,952.35
  5. Step 5: Solve for x
    x = 11,939,786,952.35/123,674.24
  6. Step 6: Final answer
    x = 96,542.23

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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.