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Finding the Fourth Proportional to 391,235.18, 586,832.52 and 110,753.24

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Solution

The fourth proportional to 391,235.18, 586,832.52 and 110,753.24 is: 166,124.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,235.18 : 586,832.52 = 110,753.24 : x
  2. Step 2: Convert to fraction form
    391,235.18/586,832.52 = 110,753.24/x
  3. Step 3: Cross multiply
    391,235.18x = 586,832.52 × 110,753.24
  4. Step 4: Simplify right side
    391,235.18x = 64,993,602,927.36
  5. Step 5: Solve for x
    x = 64,993,602,927.36/391,235.18
  6. Step 6: Final answer
    x = 166,124.13

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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.