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Finding the Fourth Proportional to 117,606.48, 176,408.88 and 47,484.72

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Solution

The fourth proportional to 117,606.48, 176,408.88 and 47,484.72 is: 71,226.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,606.48 : 176,408.88 = 47,484.72 : x
  2. Step 2: Convert to fraction form
    117,606.48/176,408.88 = 47,484.72/x
  3. Step 3: Cross multiply
    117,606.48x = 176,408.88 × 47,484.72
  4. Step 4: Simplify right side
    117,606.48x = 8,376,726,272.31
  5. Step 5: Solve for x
    x = 8,376,726,272.31/117,606.48
  6. Step 6: Final answer
    x = 71,226.74

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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.