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Finding the Fourth Proportional to 114,764.65, 158,350.65 and 66,996.32

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Solution

The fourth proportional to 114,764.65, 158,350.65 and 66,996.32 is: 92,440.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,764.65 : 158,350.65 = 66,996.32 : x
  2. Step 2: Convert to fraction form
    114,764.65/158,350.65 = 66,996.32/x
  3. Step 3: Cross multiply
    114,764.65x = 158,350.65 × 66,996.32
  4. Step 4: Simplify right side
    114,764.65x = 10,608,909,776.62
  5. Step 5: Solve for x
    x = 10,608,909,776.62/114,764.65
  6. Step 6: Final answer
    x = 92,440.57

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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.