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Finding the Fourth Proportional to 171,381.33, 236,378.81 and 110,905.32

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Solution

The fourth proportional to 171,381.33, 236,378.81 and 110,905.32 is: 152,966.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,381.33 : 236,378.81 = 110,905.32 : x
  2. Step 2: Convert to fraction form
    171,381.33/236,378.81 = 110,905.32/x
  3. Step 3: Cross multiply
    171,381.33x = 236,378.81 × 110,905.32
  4. Step 4: Simplify right side
    171,381.33x = 26,215,667,009.74
  5. Step 5: Solve for x
    x = 26,215,667,009.74/171,381.33
  6. Step 6: Final answer
    x = 152,966.88

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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.