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Finding the Fourth Proportional to 229,471.95, 316,661.00 and 127,504.56

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Solution

The fourth proportional to 229,471.95, 316,661.00 and 127,504.56 is: 175,950.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,471.95 : 316,661.00 = 127,504.56 : x
  2. Step 2: Convert to fraction form
    229,471.95/316,661.00 = 127,504.56/x
  3. Step 3: Cross multiply
    229,471.95x = 316,661.00 × 127,504.56
  4. Step 4: Simplify right side
    229,471.95x = 40,375,720,836.64
  5. Step 5: Solve for x
    x = 40,375,720,836.64/229,471.95
  6. Step 6: Final answer
    x = 175,950.57

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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.