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Finding the Fourth Proportional to 240,856.79, 361,303.88 and 72,363.96

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Solution

The fourth proportional to 240,856.79, 361,303.88 and 72,363.96 is: 108,551.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,856.79 : 361,303.88 = 72,363.96 : x
  2. Step 2: Convert to fraction form
    240,856.79/361,303.88 = 72,363.96/x
  3. Step 3: Cross multiply
    240,856.79x = 361,303.88 × 72,363.96
  4. Step 4: Simplify right side
    240,856.79x = 26,145,379,158.35
  5. Step 5: Solve for x
    x = 26,145,379,158.35/240,856.79
  6. Step 6: Final answer
    x = 108,551.56

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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.