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Finding the Fourth Proportional to 144,497.19, 216,723.91 and 39,324.36

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Solution

The fourth proportional to 144,497.19, 216,723.91 and 39,324.36 is: 58,980.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,497.19 : 216,723.91 = 39,324.36 : x
  2. Step 2: Convert to fraction form
    144,497.19/216,723.91 = 39,324.36/x
  3. Step 3: Cross multiply
    144,497.19x = 216,723.91 × 39,324.36
  4. Step 4: Simplify right side
    144,497.19x = 8,522,529,057.45
  5. Step 5: Solve for x
    x = 8,522,529,057.45/144,497.19
  6. Step 6: Final answer
    x = 58,980.59

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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.