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Finding the Fourth Proportional to 226,406.88, 312,444.36 and 124,443.45

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Solution

The fourth proportional to 226,406.88, 312,444.36 and 124,443.45 is: 171,733.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,406.88 : 312,444.36 = 124,443.45 : x
  2. Step 2: Convert to fraction form
    226,406.88/312,444.36 = 124,443.45/x
  3. Step 3: Cross multiply
    226,406.88x = 312,444.36 × 124,443.45
  4. Step 4: Simplify right side
    226,406.88x = 38,881,654,091.44
  5. Step 5: Solve for x
    x = 38,881,654,091.44/226,406.88
  6. Step 6: Final answer
    x = 171,733.54

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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.