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Finding the Fourth Proportional to 250,967.80, 376,456.55 and 61,429.83

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Solution

The fourth proportional to 250,967.80, 376,456.55 and 61,429.83 is: 92,145.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,967.80 : 376,456.55 = 61,429.83 : x
  2. Step 2: Convert to fraction form
    250,967.80/376,456.55 = 61,429.83/x
  3. Step 3: Cross multiply
    250,967.80x = 376,456.55 × 61,429.83
  4. Step 4: Simplify right side
    250,967.80x = 23,125,659,986.60
  5. Step 5: Solve for x
    x = 23,125,659,986.60/250,967.80
  6. Step 6: Final answer
    x = 92,145.92

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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.