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Finding the Fourth Proportional to 154,928.40, 232,392.60 and 148,367.40

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Solution

The fourth proportional to 154,928.40, 232,392.60 and 148,367.40 is: 222,551.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,928.40 : 232,392.60 = 148,367.40 : x
  2. Step 2: Convert to fraction form
    154,928.40/232,392.60 = 148,367.40/x
  3. Step 3: Cross multiply
    154,928.40x = 232,392.60 × 148,367.40
  4. Step 4: Simplify right side
    154,928.40x = 34,479,485,841.24
  5. Step 5: Solve for x
    x = 34,479,485,841.24/154,928.40
  6. Step 6: Final answer
    x = 222,551.10

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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.