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Finding the Fourth Proportional to 91,360.79, 137,004.84 and 35,169.69

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Solution

The fourth proportional to 91,360.79, 137,004.84 and 35,169.69 is: 52,740.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,360.79 : 137,004.84 = 35,169.69 : x
  2. Step 2: Convert to fraction form
    91,360.79/137,004.84 = 35,169.69/x
  3. Step 3: Cross multiply
    91,360.79x = 137,004.84 × 35,169.69
  4. Step 4: Simplify right side
    91,360.79x = 4,818,418,363.98
  5. Step 5: Solve for x
    x = 4,818,418,363.98/91,360.79
  6. Step 6: Final answer
    x = 52,740.55

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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.