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Finding the Fourth Proportional to 117,446.32, 162,074.64 and 63,732.52

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Solution

The fourth proportional to 117,446.32, 162,074.64 and 63,732.52 is: 87,950.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,446.32 : 162,074.64 = 63,732.52 : x
  2. Step 2: Convert to fraction form
    117,446.32/162,074.64 = 63,732.52/x
  3. Step 3: Cross multiply
    117,446.32x = 162,074.64 × 63,732.52
  4. Step 4: Simplify right side
    117,446.32x = 10,329,425,235.29
  5. Step 5: Solve for x
    x = 10,329,425,235.29/117,446.32
  6. Step 6: Final answer
    x = 87,950.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.