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Finding the Fourth Proportional to 226,528.86, 312,617.86 and 124,562.09

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Solution

The fourth proportional to 226,528.86, 312,617.86 and 124,562.09 is: 171,900.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,528.86 : 312,617.86 = 124,562.09 : x
  2. Step 2: Convert to fraction form
    226,528.86/312,617.86 = 124,562.09/x
  3. Step 3: Cross multiply
    226,528.86x = 312,617.86 × 124,562.09
  4. Step 4: Simplify right side
    226,528.86x = 38,940,334,012.93
  5. Step 5: Solve for x
    x = 38,940,334,012.93/226,528.86
  6. Step 6: Final answer
    x = 171,900.10

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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.