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Finding the Fourth Proportional to 101,266.96, 151,921.98 and 34,689.22

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Solution

The fourth proportional to 101,266.96, 151,921.98 and 34,689.22 is: 52,041.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,266.96 : 151,921.98 = 34,689.22 : x
  2. Step 2: Convert to fraction form
    101,266.96/151,921.98 = 34,689.22/x
  3. Step 3: Cross multiply
    101,266.96x = 151,921.98 × 34,689.22
  4. Step 4: Simplify right side
    101,266.96x = 5,270,054,987.06
  5. Step 5: Solve for x
    x = 5,270,054,987.06/101,266.96
  6. Step 6: Final answer
    x = 52,041.21

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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.