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Finding the Fourth Proportional to 226,130.88, 339,203.52 and 113,749.68

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Solution

The fourth proportional to 226,130.88, 339,203.52 and 113,749.68 is: 170,628.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,130.88 : 339,203.52 = 113,749.68 : x
  2. Step 2: Convert to fraction form
    226,130.88/339,203.52 = 113,749.68/x
  3. Step 3: Cross multiply
    226,130.88x = 339,203.52 × 113,749.68
  4. Step 4: Simplify right side
    226,130.88x = 38,584,291,854.87
  5. Step 5: Solve for x
    x = 38,584,291,854.87/226,130.88
  6. Step 6: Final answer
    x = 170,628.14

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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.