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Finding the Fourth Proportional to 235,411.62, 324,871.73 and 127,982.06

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Solution

The fourth proportional to 235,411.62, 324,871.73 and 127,982.06 is: 176,617.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,411.62 : 324,871.73 = 127,982.06 : x
  2. Step 2: Convert to fraction form
    235,411.62/324,871.73 = 127,982.06/x
  3. Step 3: Cross multiply
    235,411.62x = 324,871.73 × 127,982.06
  4. Step 4: Simplify right side
    235,411.62x = 41,577,753,241.16
  5. Step 5: Solve for x
    x = 41,577,753,241.16/235,411.62
  6. Step 6: Final answer
    x = 176,617.25

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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.