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Finding the Fourth Proportional to 238,086.40, 357,043.20 and 119,718.40

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Solution

The fourth proportional to 238,086.40, 357,043.20 and 119,718.40 is: 179,534.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,086.40 : 357,043.20 = 119,718.40 : x
  2. Step 2: Convert to fraction form
    238,086.40/357,043.20 = 119,718.40/x
  3. Step 3: Cross multiply
    238,086.40x = 357,043.20 × 119,718.40
  4. Step 4: Simplify right side
    238,086.40x = 42,744,640,634.88
  5. Step 5: Solve for x
    x = 42,744,640,634.88/238,086.40
  6. Step 6: Final answer
    x = 179,534.15

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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.