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Finding the Fourth Proportional to 223,837.60, 335,756.40 and 125,328.80

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Solution

The fourth proportional to 223,837.60, 335,756.40 and 125,328.80 is: 187,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,837.60 : 335,756.40 = 125,328.80 : x
  2. Step 2: Convert to fraction form
    223,837.60/335,756.40 = 125,328.80/x
  3. Step 3: Cross multiply
    223,837.60x = 335,756.40 × 125,328.80
  4. Step 4: Simplify right side
    223,837.60x = 42,079,946,704.32
  5. Step 5: Solve for x
    x = 42,079,946,704.32/223,837.60
  6. Step 6: Final answer
    x = 187,993.20

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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.