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Finding the Fourth Proportional to 238,820.62, 358,219.25 and 89,049.23

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Solution

The fourth proportional to 238,820.62, 358,219.25 and 89,049.23 is: 133,569.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,820.62 : 358,219.25 = 89,049.23 : x
  2. Step 2: Convert to fraction form
    238,820.62/358,219.25 = 89,049.23/x
  3. Step 3: Cross multiply
    238,820.62x = 358,219.25 × 89,049.23
  4. Step 4: Simplify right side
    238,820.62x = 31,899,149,418.37
  5. Step 5: Solve for x
    x = 31,899,149,418.37/238,820.62
  6. Step 6: Final answer
    x = 133,569.49

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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.