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Finding the Fourth Proportional to 133,995.91, 185,000.88 and 83,062.81

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Solution

The fourth proportional to 133,995.91, 185,000.88 and 83,062.81 is: 114,680.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,995.91 : 185,000.88 = 83,062.81 : x
  2. Step 2: Convert to fraction form
    133,995.91/185,000.88 = 83,062.81/x
  3. Step 3: Cross multiply
    133,995.91x = 185,000.88 × 83,062.81
  4. Step 4: Simplify right side
    133,995.91x = 15,366,692,945.27
  5. Step 5: Solve for x
    x = 15,366,692,945.27/133,995.91
  6. Step 6: Final answer
    x = 114,680.31

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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.