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Finding the Fourth Proportional to 250,928.78, 376,343.03 and 93,120.32

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Solution

The fourth proportional to 250,928.78, 376,343.03 and 93,120.32 is: 139,661.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,928.78 : 376,343.03 = 93,120.32 : x
  2. Step 2: Convert to fraction form
    250,928.78/376,343.03 = 93,120.32/x
  3. Step 3: Cross multiply
    250,928.78x = 376,343.03 × 93,120.32
  4. Step 4: Simplify right side
    250,928.78x = 35,045,181,036.05
  5. Step 5: Solve for x
    x = 35,045,181,036.05/250,928.78
  6. Step 6: Final answer
    x = 139,661.87

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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.