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Finding the Fourth Proportional to 144,223.48, 216,355.73 and 44,392

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Solution

The fourth proportional to 144,223.48, 216,355.73 and 44,392 is: 66,594.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,223.48 : 216,355.73 = 44,392 : x
  2. Step 2: Convert to fraction form
    144,223.48/216,355.73 = 44,392/x
  3. Step 3: Cross multiply
    144,223.48x = 216,355.73 × 44,392
  4. Step 4: Simplify right side
    144,223.48x = 9,604,463,566.16
  5. Step 5: Solve for x
    x = 9,604,463,566.16/144,223.48
  6. Step 6: Final answer
    x = 66,594.31

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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.