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Finding the Fourth Proportional to 91,846.93, 126,748.69 and 51,560.77

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Solution

The fourth proportional to 91,846.93, 126,748.69 and 51,560.77 is: 71,153.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,846.93 : 126,748.69 = 51,560.77 : x
  2. Step 2: Convert to fraction form
    91,846.93/126,748.69 = 51,560.77/x
  3. Step 3: Cross multiply
    91,846.93x = 126,748.69 × 51,560.77
  4. Step 4: Simplify right side
    91,846.93x = 6,535,260,052.89
  5. Step 5: Solve for x
    x = 6,535,260,052.89/91,846.93
  6. Step 6: Final answer
    x = 71,153.82

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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.