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Finding the Fourth Proportional to 226,671.94, 312,797.40 and 124,690.93

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Solution

The fourth proportional to 226,671.94, 312,797.40 and 124,690.93 is: 172,068.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,671.94 : 312,797.40 = 124,690.93 : x
  2. Step 2: Convert to fraction form
    226,671.94/312,797.40 = 124,690.93/x
  3. Step 3: Cross multiply
    226,671.94x = 312,797.40 × 124,690.93
  4. Step 4: Simplify right side
    226,671.94x = 39,002,998,707.58
  5. Step 5: Solve for x
    x = 39,002,998,707.58/226,671.94
  6. Step 6: Final answer
    x = 172,068.05

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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.