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Finding the Fourth Proportional to 238,306.77, 357,509.22 and 69,832.56

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Solution

The fourth proportional to 238,306.77, 357,509.22 and 69,832.56 is: 104,763.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,306.77 : 357,509.22 = 69,832.56 : x
  2. Step 2: Convert to fraction form
    238,306.77/357,509.22 = 69,832.56/x
  3. Step 3: Cross multiply
    238,306.77x = 357,509.22 × 69,832.56
  4. Step 4: Simplify right side
    238,306.77x = 24,965,784,056.20
  5. Step 5: Solve for x
    x = 24,965,784,056.20/238,306.77
  6. Step 6: Final answer
    x = 104,763.22

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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.