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Finding the Fourth Proportional to 250,768.48, 375,907.44 and 90,796

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Solution

The fourth proportional to 250,768.48, 375,907.44 and 90,796 is: 136,105.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,768.48 : 375,907.44 = 90,796 : x
  2. Step 2: Convert to fraction form
    250,768.48/375,907.44 = 90,796/x
  3. Step 3: Cross multiply
    250,768.48x = 375,907.44 × 90,796
  4. Step 4: Simplify right side
    250,768.48x = 34,130,891,922.24
  5. Step 5: Solve for x
    x = 34,130,891,922.24/250,768.48
  6. Step 6: Final answer
    x = 136,105.19

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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.