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Finding the Fourth Proportional to 238,773.63, 358,162.88 and 72,561.63

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Solution

The fourth proportional to 238,773.63, 358,162.88 and 72,561.63 is: 108,843.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,773.63 : 358,162.88 = 72,561.63 : x
  2. Step 2: Convert to fraction form
    238,773.63/358,162.88 = 72,561.63/x
  3. Step 3: Cross multiply
    238,773.63x = 358,162.88 × 72,561.63
  4. Step 4: Simplify right side
    238,773.63x = 25,988,882,378.29
  5. Step 5: Solve for x
    x = 25,988,882,378.29/238,773.63
  6. Step 6: Final answer
    x = 108,843.18

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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.