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Finding the Fourth Proportional to 114,669.88, 158,232.87 and 66,950.90

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Solution

The fourth proportional to 114,669.88, 158,232.87 and 66,950.90 is: 92,385.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,669.88 : 158,232.87 = 66,950.90 : x
  2. Step 2: Convert to fraction form
    114,669.88/158,232.87 = 66,950.90/x
  3. Step 3: Cross multiply
    114,669.88x = 158,232.87 × 66,950.90
  4. Step 4: Simplify right side
    114,669.88x = 10,593,833,560.05
  5. Step 5: Solve for x
    x = 10,593,833,560.05/114,669.88
  6. Step 6: Final answer
    x = 92,385.50

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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.