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Finding the Fourth Proportional to 227,655, 314,141.45 and 125,673.84

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Solution

The fourth proportional to 227,655, 314,141.45 and 125,673.84 is: 173,417.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,655 : 314,141.45 = 125,673.84 : x
  2. Step 2: Convert to fraction form
    227,655/314,141.45 = 125,673.84/x
  3. Step 3: Cross multiply
    227,655x = 314,141.45 × 125,673.84
  4. Step 4: Simplify right side
    227,655x = 39,479,361,696.30
  5. Step 5: Solve for x
    x = 39,479,361,696.30/227,655
  6. Step 6: Final answer
    x = 173,417.50

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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.