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Finding the Fourth Proportional to 239,156.81, 358,755.84 and 61,662.32

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Solution

The fourth proportional to 239,156.81, 358,755.84 and 61,662.32 is: 92,498.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,156.81 : 358,755.84 = 61,662.32 : x
  2. Step 2: Convert to fraction form
    239,156.81/358,755.84 = 61,662.32/x
  3. Step 3: Cross multiply
    239,156.81x = 358,755.84 × 61,662.32
  4. Step 4: Simplify right side
    239,156.81x = 22,121,715,614.17
  5. Step 5: Solve for x
    x = 22,121,715,614.17/239,156.81
  6. Step 6: Final answer
    x = 92,498.79

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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.