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Finding the Fourth Proportional to 162,839.64, 244,264.23 and 138,996.84

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Solution

The fourth proportional to 162,839.64, 244,264.23 and 138,996.84 is: 208,499.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,839.64 : 244,264.23 = 138,996.84 : x
  2. Step 2: Convert to fraction form
    162,839.64/244,264.23 = 138,996.84/x
  3. Step 3: Cross multiply
    162,839.64x = 244,264.23 × 138,996.84
  4. Step 4: Simplify right side
    162,839.64x = 33,951,956,095.03
  5. Step 5: Solve for x
    x = 33,951,956,095.03/162,839.64
  6. Step 6: Final answer
    x = 208,499.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.