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Finding the Fourth Proportional to 226,415.88, 312,456.78 and 124,452.48

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Solution

The fourth proportional to 226,415.88, 312,456.78 and 124,452.48 is: 171,746.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,415.88 : 312,456.78 = 124,452.48 : x
  2. Step 2: Convert to fraction form
    226,415.88/312,456.78 = 124,452.48/x
  3. Step 3: Cross multiply
    226,415.88x = 312,456.78 × 124,452.48
  4. Step 4: Simplify right side
    226,415.88x = 38,886,021,163.81
  5. Step 5: Solve for x
    x = 38,886,021,163.81/226,415.88
  6. Step 6: Final answer
    x = 171,746.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.