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Finding the Fourth Proportional to 117,256.95, 175,885.56 and 82,352.43

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Solution

The fourth proportional to 117,256.95, 175,885.56 and 82,352.43 is: 123,528.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,256.95 : 175,885.56 = 82,352.43 : x
  2. Step 2: Convert to fraction form
    117,256.95/175,885.56 = 82,352.43/x
  3. Step 3: Cross multiply
    117,256.95x = 175,885.56 × 82,352.43
  4. Step 4: Simplify right side
    117,256.95x = 14,484,603,267.91
  5. Step 5: Solve for x
    x = 14,484,603,267.91/117,256.95
  6. Step 6: Final answer
    x = 123,528.74

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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.