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Finding the Fourth Proportional to 84,348.66, 126,459.78 and 51,060.70

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Solution

The fourth proportional to 84,348.66, 126,459.78 and 51,060.70 is: 76,552.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,348.66 : 126,459.78 = 51,060.70 : x
  2. Step 2: Convert to fraction form
    84,348.66/126,459.78 = 51,060.70/x
  3. Step 3: Cross multiply
    84,348.66x = 126,459.78 × 51,060.70
  4. Step 4: Simplify right side
    84,348.66x = 6,457,124,888.65
  5. Step 5: Solve for x
    x = 6,457,124,888.65/84,348.66
  6. Step 6: Final answer
    x = 76,552.79

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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.