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Finding the Fourth Proportional to 101,145.51, 151,718.13 and 27,273.51

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Solution

The fourth proportional to 101,145.51, 151,718.13 and 27,273.51 is: 40,910.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,145.51 : 151,718.13 = 27,273.51 : x
  2. Step 2: Convert to fraction form
    101,145.51/151,718.13 = 27,273.51/x
  3. Step 3: Cross multiply
    101,145.51x = 151,718.13 × 27,273.51
  4. Step 4: Simplify right side
    101,145.51x = 4,137,885,935.74
  5. Step 5: Solve for x
    x = 4,137,885,935.74/101,145.51
  6. Step 6: Final answer
    x = 40,910.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.