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Finding the Fourth Proportional to 229,007.27, 316,067.84 and 127,065.53

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Solution

The fourth proportional to 229,007.27, 316,067.84 and 127,065.53 is: 175,371.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,007.27 : 316,067.84 = 127,065.53 : x
  2. Step 2: Convert to fraction form
    229,007.27/316,067.84 = 127,065.53/x
  3. Step 3: Cross multiply
    229,007.27x = 316,067.84 × 127,065.53
  4. Step 4: Simplify right side
    229,007.27x = 40,161,325,389.89
  5. Step 5: Solve for x
    x = 40,161,325,389.89/229,007.27
  6. Step 6: Final answer
    x = 175,371.40

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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.