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Finding the Fourth Proportional to 173,266.34, 259,899.34 and 65,215.88

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Solution

The fourth proportional to 173,266.34, 259,899.34 and 65,215.88 is: 97,823.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,266.34 : 259,899.34 = 65,215.88 : x
  2. Step 2: Convert to fraction form
    173,266.34/259,899.34 = 65,215.88/x
  3. Step 3: Cross multiply
    173,266.34x = 259,899.34 × 65,215.88
  4. Step 4: Simplify right side
    173,266.34x = 16,949,564,169.52
  5. Step 5: Solve for x
    x = 16,949,564,169.52/173,266.34
  6. Step 6: Final answer
    x = 97,823.76

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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.