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Finding the Fourth Proportional to 144,576.86, 216,880.02 and 49,794.72

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Solution

The fourth proportional to 144,576.86, 216,880.02 and 49,794.72 is: 74,697.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,576.86 : 216,880.02 = 49,794.72 : x
  2. Step 2: Convert to fraction form
    144,576.86/216,880.02 = 49,794.72/x
  3. Step 3: Cross multiply
    144,576.86x = 216,880.02 × 49,794.72
  4. Step 4: Simplify right side
    144,576.86x = 10,799,479,869.49
  5. Step 5: Solve for x
    x = 10,799,479,869.49/144,576.86
  6. Step 6: Final answer
    x = 74,697.15

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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.