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Finding the Fourth Proportional to 229,008.77, 316,069.91 and 127,067.03

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Solution

The fourth proportional to 229,008.77, 316,069.91 and 127,067.03 is: 175,373.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,008.77 : 316,069.91 = 127,067.03 : x
  2. Step 2: Convert to fraction form
    229,008.77/316,069.91 = 127,067.03/x
  3. Step 3: Cross multiply
    229,008.77x = 316,069.91 × 127,067.03
  4. Step 4: Simplify right side
    229,008.77x = 40,162,062,520.38
  5. Step 5: Solve for x
    x = 40,162,062,520.38/229,008.77
  6. Step 6: Final answer
    x = 175,373.47

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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.