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Finding the Fourth Proportional to 87,188.53, 130,784.01 and 24,859.03

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Solution

The fourth proportional to 87,188.53, 130,784.01 and 24,859.03 is: 37,288.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,188.53 : 130,784.01 = 24,859.03 : x
  2. Step 2: Convert to fraction form
    87,188.53/130,784.01 = 24,859.03/x
  3. Step 3: Cross multiply
    87,188.53x = 130,784.01 × 24,859.03
  4. Step 4: Simplify right side
    87,188.53x = 3,251,163,884.81
  5. Step 5: Solve for x
    x = 3,251,163,884.81/87,188.53
  6. Step 6: Final answer
    x = 37,288.89

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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.