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Finding the Fourth Proportional to 131,227.64, 181,092.48 and 73,866.68

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Solution

The fourth proportional to 131,227.64, 181,092.48 and 73,866.68 is: 101,935.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,227.64 : 181,092.48 = 73,866.68 : x
  2. Step 2: Convert to fraction form
    131,227.64/181,092.48 = 73,866.68/x
  3. Step 3: Cross multiply
    131,227.64x = 181,092.48 × 73,866.68
  4. Step 4: Simplify right side
    131,227.64x = 13,376,700,270.57
  5. Step 5: Solve for x
    x = 13,376,700,270.57/131,227.64
  6. Step 6: Final answer
    x = 101,935.08

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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.