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Finding the Fourth Proportional to 220,129.38, 330,412.77 and 101,827.26

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Solution

The fourth proportional to 220,129.38, 330,412.77 and 101,827.26 is: 152,842.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,129.38 : 330,412.77 = 101,827.26 : x
  2. Step 2: Convert to fraction form
    220,129.38/330,412.77 = 101,827.26/x
  3. Step 3: Cross multiply
    220,129.38x = 330,412.77 × 101,827.26
  4. Step 4: Simplify right side
    220,129.38x = 33,645,027,038.11
  5. Step 5: Solve for x
    x = 33,645,027,038.11/220,129.38
  6. Step 6: Final answer
    x = 152,842.06

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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.