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Finding the Fourth Proportional to 144,888, 217,351.44 and 61,801.44

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Solution

The fourth proportional to 144,888, 217,351.44 and 61,801.44 is: 92,710.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,888 : 217,351.44 = 61,801.44 : x
  2. Step 2: Convert to fraction form
    144,888/217,351.44 = 61,801.44/x
  3. Step 3: Cross multiply
    144,888x = 217,351.44 × 61,801.44
  4. Step 4: Simplify right side
    144,888x = 13,432,631,978.07
  5. Step 5: Solve for x
    x = 13,432,631,978.07/144,888
  6. Step 6: Final answer
    x = 92,710.45

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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.