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Finding the Fourth Proportional to 238,367.76, 357,682.96 and 144,939.12

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Solution

The fourth proportional to 238,367.76, 357,682.96 and 144,939.12 is: 217,488.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,367.76 : 357,682.96 = 144,939.12 : x
  2. Step 2: Convert to fraction form
    238,367.76/357,682.96 = 144,939.12/x
  3. Step 3: Cross multiply
    238,367.76x = 357,682.96 × 144,939.12
  4. Step 4: Simplify right side
    238,367.76x = 51,842,253,461.40
  5. Step 5: Solve for x
    x = 51,842,253,461.40/238,367.76
  6. Step 6: Final answer
    x = 217,488.53

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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.