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Finding the Fourth Proportional to 371,173.68, 556,842.24 and 157,930.20

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Solution

The fourth proportional to 371,173.68, 556,842.24 and 157,930.20 is: 236,930.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,173.68 : 556,842.24 = 157,930.20 : x
  2. Step 2: Convert to fraction form
    371,173.68/556,842.24 = 157,930.20/x
  3. Step 3: Cross multiply
    371,173.68x = 556,842.24 × 157,930.20
  4. Step 4: Simplify right side
    371,173.68x = 87,942,206,331.65
  5. Step 5: Solve for x
    x = 87,942,206,331.65/371,173.68
  6. Step 6: Final answer
    x = 236,930.07

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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.