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Finding the Fourth Proportional to 101,220.75, 151,842.15 and 62,029.71

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Solution

The fourth proportional to 101,220.75, 151,842.15 and 62,029.71 is: 93,051.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,220.75 : 151,842.15 = 62,029.71 : x
  2. Step 2: Convert to fraction form
    101,220.75/151,842.15 = 62,029.71/x
  3. Step 3: Cross multiply
    101,220.75x = 151,842.15 × 62,029.71
  4. Step 4: Simplify right side
    101,220.75x = 9,418,724,530.28
  5. Step 5: Solve for x
    x = 9,418,724,530.28/101,220.75
  6. Step 6: Final answer
    x = 93,051.32

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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.