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Finding the Fourth Proportional to 226,671.44, 312,814.16 and 124,708.64

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Solution

The fourth proportional to 226,671.44, 312,814.16 and 124,708.64 is: 172,102.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,671.44 : 312,814.16 = 124,708.64 : x
  2. Step 2: Convert to fraction form
    226,671.44/312,814.16 = 124,708.64/x
  3. Step 3: Cross multiply
    226,671.44x = 312,814.16 × 124,708.64
  4. Step 4: Simplify right side
    226,671.44x = 39,010,628,466.34
  5. Step 5: Solve for x
    x = 39,010,628,466.34/226,671.44
  6. Step 6: Final answer
    x = 172,102.09

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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.