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Finding the Fourth Proportional to 94,571.68, 130,509.78 and 52,131.73

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Solution

The fourth proportional to 94,571.68, 130,509.78 and 52,131.73 is: 71,942.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,571.68 : 130,509.78 = 52,131.73 : x
  2. Step 2: Convert to fraction form
    94,571.68/130,509.78 = 52,131.73/x
  3. Step 3: Cross multiply
    94,571.68x = 130,509.78 × 52,131.73
  4. Step 4: Simplify right side
    94,571.68x = 6,803,700,613.32
  5. Step 5: Solve for x
    x = 6,803,700,613.32/94,571.68
  6. Step 6: Final answer
    x = 71,942.26

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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.