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Finding the Fourth Proportional to 275,767.39, 413,557.98 and 104,948.56

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Solution

The fourth proportional to 275,767.39, 413,557.98 and 104,948.56 is: 157,387.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,767.39 : 413,557.98 = 104,948.56 : x
  2. Step 2: Convert to fraction form
    275,767.39/413,557.98 = 104,948.56/x
  3. Step 3: Cross multiply
    275,767.39x = 413,557.98 × 104,948.56
  4. Step 4: Simplify right side
    275,767.39x = 43,402,314,477.51
  5. Step 5: Solve for x
    x = 43,402,314,477.51/275,767.39
  6. Step 6: Final answer
    x = 157,387.41

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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.