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Finding the Fourth Proportional to 117,775.85, 176,570.82 and 58,579.22

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Solution

The fourth proportional to 117,775.85, 176,570.82 and 58,579.22 is: 87,822.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,775.85 : 176,570.82 = 58,579.22 : x
  2. Step 2: Convert to fraction form
    117,775.85/176,570.82 = 58,579.22/x
  3. Step 3: Cross multiply
    117,775.85x = 176,570.82 × 58,579.22
  4. Step 4: Simplify right side
    117,775.85x = 10,343,381,351.79
  5. Step 5: Solve for x
    x = 10,343,381,351.79/117,775.85
  6. Step 6: Final answer
    x = 87,822.60

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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.