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Finding the Fourth Proportional to 234,100.13, 351,208.51 and 67,888.13

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Solution

The fourth proportional to 234,100.13, 351,208.51 and 67,888.13 is: 101,849.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,100.13 : 351,208.51 = 67,888.13 : x
  2. Step 2: Convert to fraction form
    234,100.13/351,208.51 = 67,888.13/x
  3. Step 3: Cross multiply
    234,100.13x = 351,208.51 × 67,888.13
  4. Step 4: Simplify right side
    234,100.13x = 23,842,887,058.22
  5. Step 5: Solve for x
    x = 23,842,887,058.22/234,100.13
  6. Step 6: Final answer
    x = 101,849.10

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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.