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Finding the Fourth Proportional to 227,642.64, 314,144.91 and 125,665.91

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Solution

The fourth proportional to 227,642.64, 314,144.91 and 125,665.91 is: 173,417.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,642.64 : 314,144.91 = 125,665.91 : x
  2. Step 2: Convert to fraction form
    227,642.64/314,144.91 = 125,665.91/x
  3. Step 3: Cross multiply
    227,642.64x = 314,144.91 × 125,665.91
  4. Step 4: Simplify right side
    227,642.64x = 39,477,304,416.29
  5. Step 5: Solve for x
    x = 39,477,304,416.29/227,642.64
  6. Step 6: Final answer
    x = 173,417.88

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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.