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Finding the Fourth Proportional to 220,822.40, 331,251.60 and 94,463.60

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Solution

The fourth proportional to 220,822.40, 331,251.60 and 94,463.60 is: 141,703.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,822.40 : 331,251.60 = 94,463.60 : x
  2. Step 2: Convert to fraction form
    220,822.40/331,251.60 = 94,463.60/x
  3. Step 3: Cross multiply
    220,822.40x = 331,251.60 × 94,463.60
  4. Step 4: Simplify right side
    220,822.40x = 31,291,218,641.76
  5. Step 5: Solve for x
    x = 31,291,218,641.76/220,822.40
  6. Step 6: Final answer
    x = 141,703.10

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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.