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Finding the Fourth Proportional to 250,605.31, 375,907.84 and 73,112.23

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Solution

The fourth proportional to 250,605.31, 375,907.84 and 73,112.23 is: 109,668.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,605.31 : 375,907.84 = 73,112.23 : x
  2. Step 2: Convert to fraction form
    250,605.31/375,907.84 = 73,112.23/x
  3. Step 3: Cross multiply
    250,605.31x = 375,907.84 × 73,112.23
  4. Step 4: Simplify right side
    250,605.31x = 27,483,460,456.88
  5. Step 5: Solve for x
    x = 27,483,460,456.88/250,605.31
  6. Step 6: Final answer
    x = 109,668.31

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1.5x scale

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.