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Finding the Fourth Proportional to 84,463.60, 126,699.48 and 22,134.16

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Solution

The fourth proportional to 84,463.60, 126,699.48 and 22,134.16 is: 33,202.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,463.60 : 126,699.48 = 22,134.16 : x
  2. Step 2: Convert to fraction form
    84,463.60/126,699.48 = 22,134.16/x
  3. Step 3: Cross multiply
    84,463.60x = 126,699.48 × 22,134.16
  4. Step 4: Simplify right side
    84,463.60x = 2,804,386,562.24
  5. Step 5: Solve for x
    x = 2,804,386,562.24/84,463.60
  6. Step 6: Final answer
    x = 33,202.31

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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.