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Finding the Fourth Proportional to 251,921.72, 377,751.36 and 94,020.32

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Solution

The fourth proportional to 251,921.72, 377,751.36 and 94,020.32 is: 140,981.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,921.72 : 377,751.36 = 94,020.32 : x
  2. Step 2: Convert to fraction form
    251,921.72/377,751.36 = 94,020.32/x
  3. Step 3: Cross multiply
    251,921.72x = 377,751.36 × 94,020.32
  4. Step 4: Simplify right side
    251,921.72x = 35,516,303,747.64
  5. Step 5: Solve for x
    x = 35,516,303,747.64/251,921.72
  6. Step 6: Final answer
    x = 140,981.51

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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.