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Finding the Fourth Proportional to 229,810.70, 344,726.85 and 72,044.30

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Solution

The fourth proportional to 229,810.70, 344,726.85 and 72,044.30 is: 108,069.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,810.70 : 344,726.85 = 72,044.30 : x
  2. Step 2: Convert to fraction form
    229,810.70/344,726.85 = 72,044.30/x
  3. Step 3: Cross multiply
    229,810.70x = 344,726.85 × 72,044.30
  4. Step 4: Simplify right side
    229,810.70x = 24,835,604,599.46
  5. Step 5: Solve for x
    x = 24,835,604,599.46/229,810.70
  6. Step 6: Final answer
    x = 108,069.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.