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Finding the Fourth Proportional to 133,995.41, 185,000.19 and 83,062.31

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Solution

The fourth proportional to 133,995.41, 185,000.19 and 83,062.31 is: 114,679.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,995.41 : 185,000.19 = 83,062.31 : x
  2. Step 2: Convert to fraction form
    133,995.41/185,000.19 = 83,062.31/x
  3. Step 3: Cross multiply
    133,995.41x = 185,000.19 × 83,062.31
  4. Step 4: Simplify right side
    133,995.41x = 15,366,543,131.84
  5. Step 5: Solve for x
    x = 15,366,543,131.84/133,995.41
  6. Step 6: Final answer
    x = 114,679.62

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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.