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Finding the Fourth Proportional to 101,370.36, 152,011.54 and 38,997.08

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Solution

The fourth proportional to 101,370.36, 152,011.54 and 38,997.08 is: 58,478.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,370.36 : 152,011.54 = 38,997.08 : x
  2. Step 2: Convert to fraction form
    101,370.36/152,011.54 = 38,997.08/x
  3. Step 3: Cross multiply
    101,370.36x = 152,011.54 × 38,997.08
  4. Step 4: Simplify right side
    101,370.36x = 5,928,006,186.30
  5. Step 5: Solve for x
    x = 5,928,006,186.30/101,370.36
  6. Step 6: Final answer
    x = 58,478.69

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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.