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Finding the Fourth Proportional to 115,615.88, 173,423.82 and 32,509.88

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Solution

The fourth proportional to 115,615.88, 173,423.82 and 32,509.88 is: 48,764.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,615.88 : 173,423.82 = 32,509.88 : x
  2. Step 2: Convert to fraction form
    115,615.88/173,423.82 = 32,509.88/x
  3. Step 3: Cross multiply
    115,615.88x = 173,423.82 × 32,509.88
  4. Step 4: Simplify right side
    115,615.88x = 5,637,986,710.22
  5. Step 5: Solve for x
    x = 5,637,986,710.22/115,615.88
  6. Step 6: Final answer
    x = 48,764.81

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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.