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Finding the Fourth Proportional to 101,172.51, 151,836.53 and 38,039.29

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Solution

The fourth proportional to 101,172.51, 151,836.53 and 38,039.29 is: 57,088.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,172.51 : 151,836.53 = 38,039.29 : x
  2. Step 2: Convert to fraction form
    101,172.51/151,836.53 = 38,039.29/x
  3. Step 3: Cross multiply
    101,172.51x = 151,836.53 × 38,039.29
  4. Step 4: Simplify right side
    101,172.51x = 5,775,753,227.48
  5. Step 5: Solve for x
    x = 5,775,753,227.48/101,172.51
  6. Step 6: Final answer
    x = 57,088.17

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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.