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Finding the Fourth Proportional to 229,599.86, 316,845.76 and 127,622.75

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Solution

The fourth proportional to 229,599.86, 316,845.76 and 127,622.75 is: 176,118.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,599.86 : 316,845.76 = 127,622.75 : x
  2. Step 2: Convert to fraction form
    229,599.86/316,845.76 = 127,622.75/x
  3. Step 3: Cross multiply
    229,599.86x = 316,845.76 × 127,622.75
  4. Step 4: Simplify right side
    229,599.86x = 40,436,726,578.93
  5. Step 5: Solve for x
    x = 40,436,726,578.93/229,599.86
  6. Step 6: Final answer
    x = 176,118.25

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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.