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Finding the Fourth Proportional to 144,564.57, 216,805.23 and 49,790.93

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Solution

The fourth proportional to 144,564.57, 216,805.23 and 49,790.93 is: 74,672.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,564.57 : 216,805.23 = 49,790.93 : x
  2. Step 2: Convert to fraction form
    144,564.57/216,805.23 = 49,790.93/x
  3. Step 3: Cross multiply
    144,564.57x = 216,805.23 × 49,790.93
  4. Step 4: Simplify right side
    144,564.57x = 10,794,932,946.54
  5. Step 5: Solve for x
    x = 10,794,932,946.54/144,564.57
  6. Step 6: Final answer
    x = 74,672.05

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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.