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Finding the Fourth Proportional to 229,543.40, 344,315.10 and 79,733.90

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Solution

The fourth proportional to 229,543.40, 344,315.10 and 79,733.90 is: 119,600.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,543.40 : 344,315.10 = 79,733.90 : x
  2. Step 2: Convert to fraction form
    229,543.40/344,315.10 = 79,733.90/x
  3. Step 3: Cross multiply
    229,543.40x = 344,315.10 × 79,733.90
  4. Step 4: Simplify right side
    229,543.40x = 27,453,585,751.89
  5. Step 5: Solve for x
    x = 27,453,585,751.89/229,543.40
  6. Step 6: Final answer
    x = 119,600.85

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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.