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Finding the Fourth Proportional to 101,507.88, 152,271.96 and 34,939.20

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Solution

The fourth proportional to 101,507.88, 152,271.96 and 34,939.20 is: 52,412.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,507.88 : 152,271.96 = 34,939.20 : x
  2. Step 2: Convert to fraction form
    101,507.88/152,271.96 = 34,939.20/x
  3. Step 3: Cross multiply
    101,507.88x = 152,271.96 × 34,939.20
  4. Step 4: Simplify right side
    101,507.88x = 5,320,260,464.83
  5. Step 5: Solve for x
    x = 5,320,260,464.83/101,507.88
  6. Step 6: Final answer
    x = 52,412.29

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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.