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Finding the Fourth Proportional to 91,596.95, 126,401.51 and 51,310.44

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Solution

The fourth proportional to 91,596.95, 126,401.51 and 51,310.44 is: 70,807.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,596.95 : 126,401.51 = 51,310.44 : x
  2. Step 2: Convert to fraction form
    91,596.95/126,401.51 = 51,310.44/x
  3. Step 3: Cross multiply
    91,596.95x = 126,401.51 × 51,310.44
  4. Step 4: Simplify right side
    91,596.95x = 6,485,716,838.21
  5. Step 5: Solve for x
    x = 6,485,716,838.21/91,596.95
  6. Step 6: Final answer
    x = 70,807.13

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1.5x scale

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.