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Finding the Fourth Proportional to 144,366.30, 216,495.48 and 49,569.56

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Solution

The fourth proportional to 144,366.30, 216,495.48 and 49,569.56 is: 74,335.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,366.30 : 216,495.48 = 49,569.56 : x
  2. Step 2: Convert to fraction form
    144,366.30/216,495.48 = 49,569.56/x
  3. Step 3: Cross multiply
    144,366.30x = 216,495.48 × 49,569.56
  4. Step 4: Simplify right side
    144,366.30x = 10,731,585,685.59
  5. Step 5: Solve for x
    x = 10,731,585,685.59/144,366.30
  6. Step 6: Final answer
    x = 74,335.81

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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.