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Finding the Fourth Proportional to 226,416.88, 312,458.54 and 124,451.77

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Solution

The fourth proportional to 226,416.88, 312,458.54 and 124,451.77 is: 171,745.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,416.88 : 312,458.54 = 124,451.77 : x
  2. Step 2: Convert to fraction form
    226,416.88/312,458.54 = 124,451.77/x
  3. Step 3: Cross multiply
    226,416.88x = 312,458.54 × 124,451.77
  4. Step 4: Simplify right side
    226,416.88x = 38,886,018,354.62
  5. Step 5: Solve for x
    x = 38,886,018,354.62/226,416.88
  6. Step 6: Final answer
    x = 171,745.23

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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.