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Finding the Fourth Proportional to 144,558.69, 216,721.16 and 60,383.34

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Solution

The fourth proportional to 144,558.69, 216,721.16 and 60,383.34 is: 90,526.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,558.69 : 216,721.16 = 60,383.34 : x
  2. Step 2: Convert to fraction form
    144,558.69/216,721.16 = 60,383.34/x
  3. Step 3: Cross multiply
    144,558.69x = 216,721.16 × 60,383.34
  4. Step 4: Simplify right side
    144,558.69x = 13,086,347,489.47
  5. Step 5: Solve for x
    x = 13,086,347,489.47/144,558.69
  6. Step 6: Final answer
    x = 90,526.19

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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.