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Finding the Fourth Proportional to 240,871.01, 332,268.08 and 189,695.21

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Solution

The fourth proportional to 240,871.01, 332,268.08 and 189,695.21 is: 261,673.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,871.01 : 332,268.08 = 189,695.21 : x
  2. Step 2: Convert to fraction form
    240,871.01/332,268.08 = 189,695.21/x
  3. Step 3: Cross multiply
    240,871.01x = 332,268.08 × 189,695.21
  4. Step 4: Simplify right side
    240,871.01x = 63,029,660,602.08
  5. Step 5: Solve for x
    x = 63,029,660,602.08/240,871.01
  6. Step 6: Final answer
    x = 261,673.92

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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.