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Finding the Fourth Proportional to 117,895.82, 176,872.86 and 39,018.02

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Solution

The fourth proportional to 117,895.82, 176,872.86 and 39,018.02 is: 58,536.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,895.82 : 176,872.86 = 39,018.02 : x
  2. Step 2: Convert to fraction form
    117,895.82/176,872.86 = 39,018.02/x
  3. Step 3: Cross multiply
    117,895.82x = 176,872.86 × 39,018.02
  4. Step 4: Simplify right side
    117,895.82x = 6,901,228,788.94
  5. Step 5: Solve for x
    x = 6,901,228,788.94/117,895.82
  6. Step 6: Final answer
    x = 58,536.67

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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.