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Finding the Fourth Proportional to 144,093.80, 216,151.07 and 55,347.31

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Solution

The fourth proportional to 144,093.80, 216,151.07 and 55,347.31 is: 83,024.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,093.80 : 216,151.07 = 55,347.31 : x
  2. Step 2: Convert to fraction form
    144,093.80/216,151.07 = 55,347.31/x
  3. Step 3: Cross multiply
    144,093.80x = 216,151.07 × 55,347.31
  4. Step 4: Simplify right side
    144,093.80x = 11,963,379,461.01
  5. Step 5: Solve for x
    x = 11,963,379,461.01/144,093.80
  6. Step 6: Final answer
    x = 83,024.94

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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.