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Finding the Fourth Proportional to 154,614.32, 232,008.96 and 65,858.56

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Solution

The fourth proportional to 154,614.32, 232,008.96 and 65,858.56 is: 98,825.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,614.32 : 232,008.96 = 65,858.56 : x
  2. Step 2: Convert to fraction form
    154,614.32/232,008.96 = 65,858.56/x
  3. Step 3: Cross multiply
    154,614.32x = 232,008.96 × 65,858.56
  4. Step 4: Simplify right side
    154,614.32x = 15,279,776,012.70
  5. Step 5: Solve for x
    x = 15,279,776,012.70/154,614.32
  6. Step 6: Final answer
    x = 98,825.10

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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.