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Finding the Fourth Proportional to 86,192.94, 118,950.84 and 50,403.90

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Solution

The fourth proportional to 86,192.94, 118,950.84 and 50,403.90 is: 69,560.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,192.94 : 118,950.84 = 50,403.90 : x
  2. Step 2: Convert to fraction form
    86,192.94/118,950.84 = 50,403.90/x
  3. Step 3: Cross multiply
    86,192.94x = 118,950.84 × 50,403.90
  4. Step 4: Simplify right side
    86,192.94x = 5,995,586,244.28
  5. Step 5: Solve for x
    x = 5,995,586,244.28/86,192.94
  6. Step 6: Final answer
    x = 69,560.06

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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.