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Finding the Fourth Proportional to 144,360.76, 216,565.86 and 49,586.44

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Solution

The fourth proportional to 144,360.76, 216,565.86 and 49,586.44 is: 74,388.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,360.76 : 216,565.86 = 49,586.44 : x
  2. Step 2: Convert to fraction form
    144,360.76/216,565.86 = 49,586.44/x
  3. Step 3: Cross multiply
    144,360.76x = 216,565.86 × 49,586.44
  4. Step 4: Simplify right side
    144,360.76x = 10,738,730,022.94
  5. Step 5: Solve for x
    x = 10,738,730,022.94/144,360.76
  6. Step 6: Final answer
    x = 74,388.15

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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.