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Finding the Fourth Proportional to 148,694.40, 223,063.20 and 48,837.60

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Solution

The fourth proportional to 148,694.40, 223,063.20 and 48,837.60 is: 73,263.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,694.40 : 223,063.20 = 48,837.60 : x
  2. Step 2: Convert to fraction form
    148,694.40/223,063.20 = 48,837.60/x
  3. Step 3: Cross multiply
    148,694.40x = 223,063.20 × 48,837.60
  4. Step 4: Simplify right side
    148,694.40x = 10,893,871,336.32
  5. Step 5: Solve for x
    x = 10,893,871,336.32/148,694.40
  6. Step 6: Final answer
    x = 73,263.49

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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.