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Finding the Fourth Proportional to 154,928.70, 232,393.05 and 154,928.70

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Solution

The fourth proportional to 154,928.70, 232,393.05 and 154,928.70 is: 232,393.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,928.70 : 232,393.05 = 154,928.70 : x
  2. Step 2: Convert to fraction form
    154,928.70/232,393.05 = 154,928.70/x
  3. Step 3: Cross multiply
    154,928.70x = 232,393.05 × 154,928.70
  4. Step 4: Simplify right side
    154,928.70x = 36,004,353,125.54
  5. Step 5: Solve for x
    x = 36,004,353,125.54/154,928.70
  6. Step 6: Final answer
    x = 232,393.05

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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.