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Finding the Fourth Proportional to 169,221.49, 233,463.87 and 101,240.42

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Solution

The fourth proportional to 169,221.49, 233,463.87 and 101,240.42 is: 139,674.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,221.49 : 233,463.87 = 101,240.42 : x
  2. Step 2: Convert to fraction form
    169,221.49/233,463.87 = 101,240.42/x
  3. Step 3: Cross multiply
    169,221.49x = 233,463.87 × 101,240.42
  4. Step 4: Simplify right side
    169,221.49x = 23,635,979,086.31
  5. Step 5: Solve for x
    x = 23,635,979,086.31/169,221.49
  6. Step 6: Final answer
    x = 139,674.81

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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.