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Finding the Fourth Proportional to 173,188.34, 259,776.36 and 66,544.82

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Solution

The fourth proportional to 173,188.34, 259,776.36 and 66,544.82 is: 99,814.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,188.34 : 259,776.36 = 66,544.82 : x
  2. Step 2: Convert to fraction form
    173,188.34/259,776.36 = 66,544.82/x
  3. Step 3: Cross multiply
    173,188.34x = 259,776.36 × 66,544.82
  4. Step 4: Simplify right side
    173,188.34x = 17,286,771,116.46
  5. Step 5: Solve for x
    x = 17,286,771,116.46/173,188.34
  6. Step 6: Final answer
    x = 99,814.87

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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.