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Finding the Fourth Proportional to 229,472.58, 316,669.86 and 126,108.48

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Solution

The fourth proportional to 229,472.58, 316,669.86 and 126,108.48 is: 174,028.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,472.58 : 316,669.86 = 126,108.48 : x
  2. Step 2: Convert to fraction form
    229,472.58/316,669.86 = 126,108.48/x
  3. Step 3: Cross multiply
    229,472.58x = 316,669.86 × 126,108.48
  4. Step 4: Simplify right side
    229,472.58x = 39,934,754,706.41
  5. Step 5: Solve for x
    x = 39,934,754,706.41/229,472.58
  6. Step 6: Final answer
    x = 174,028.44

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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.