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Finding the Fourth Proportional to 251,642.30, 377,346.81 and 93,828.38

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Solution

The fourth proportional to 251,642.30, 377,346.81 and 93,828.38 is: 140,699.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,642.30 : 377,346.81 = 93,828.38 : x
  2. Step 2: Convert to fraction form
    251,642.30/377,346.81 = 93,828.38/x
  3. Step 3: Cross multiply
    251,642.30x = 377,346.81 × 93,828.38
  4. Step 4: Simplify right side
    251,642.30x = 35,405,838,467.96
  5. Step 5: Solve for x
    x = 35,405,838,467.96/251,642.30
  6. Step 6: Final answer
    x = 140,699.07

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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.