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Finding the Fourth Proportional to 246,040.20, 369,074.88 and 77,565.87

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Solution

The fourth proportional to 246,040.20, 369,074.88 and 77,565.87 is: 116,353.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,040.20 : 369,074.88 = 77,565.87 : x
  2. Step 2: Convert to fraction form
    246,040.20/369,074.88 = 77,565.87/x
  3. Step 3: Cross multiply
    246,040.20x = 369,074.88 × 77,565.87
  4. Step 4: Simplify right side
    246,040.20x = 28,627,614,162.35
  5. Step 5: Solve for x
    x = 28,627,614,162.35/246,040.20
  6. Step 6: Final answer
    x = 116,353.40

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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.