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Finding the Fourth Proportional to 114,766.65, 158,353.41 and 66,998.32

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Solution

The fourth proportional to 114,766.65, 158,353.41 and 66,998.32 is: 92,443.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,766.65 : 158,353.41 = 66,998.32 : x
  2. Step 2: Convert to fraction form
    114,766.65/158,353.41 = 66,998.32/x
  3. Step 3: Cross multiply
    114,766.65x = 158,353.41 × 66,998.32
  4. Step 4: Simplify right side
    114,766.65x = 10,609,412,436.27
  5. Step 5: Solve for x
    x = 10,609,412,436.27/114,766.65
  6. Step 6: Final answer
    x = 92,443.34

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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.