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Finding the Fourth Proportional to 144,013.65, 216,020.57 and 49,244.53

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Solution

The fourth proportional to 144,013.65, 216,020.57 and 49,244.53 is: 73,866.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,013.65 : 216,020.57 = 49,244.53 : x
  2. Step 2: Convert to fraction form
    144,013.65/216,020.57 = 49,244.53/x
  3. Step 3: Cross multiply
    144,013.65x = 216,020.57 × 49,244.53
  4. Step 4: Simplify right side
    144,013.65x = 10,637,831,439.98
  5. Step 5: Solve for x
    x = 10,637,831,439.98/144,013.65
  6. Step 6: Final answer
    x = 73,866.83

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1.5x scale

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.