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Finding the Fourth Proportional to 148,580.80, 222,871.20 and 109,214.80

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Solution

The fourth proportional to 148,580.80, 222,871.20 and 109,214.80 is: 163,822.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,580.80 : 222,871.20 = 109,214.80 : x
  2. Step 2: Convert to fraction form
    148,580.80/222,871.20 = 109,214.80/x
  3. Step 3: Cross multiply
    148,580.80x = 222,871.20 × 109,214.80
  4. Step 4: Simplify right side
    148,580.80x = 24,340,833,533.76
  5. Step 5: Solve for x
    x = 24,340,833,533.76/148,580.80
  6. Step 6: Final answer
    x = 163,822.20

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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.