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Finding the Fourth Proportional to 349,327.78, 524,093.73 and 112,665.22

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Solution

The fourth proportional to 349,327.78, 524,093.73 and 112,665.22 is: 169,030.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,327.78 : 524,093.73 = 112,665.22 : x
  2. Step 2: Convert to fraction form
    349,327.78/524,093.73 = 112,665.22/x
  3. Step 3: Cross multiply
    349,327.78x = 524,093.73 × 112,665.22
  4. Step 4: Simplify right side
    349,327.78x = 59,047,135,391.07
  5. Step 5: Solve for x
    x = 59,047,135,391.07/349,327.78
  6. Step 6: Final answer
    x = 169,030.75

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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.