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Finding the Fourth Proportional to 112,732.58, 169,101.60 and 37,855.17

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Solution

The fourth proportional to 112,732.58, 169,101.60 and 37,855.17 is: 56,783.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,732.58 : 169,101.60 = 37,855.17 : x
  2. Step 2: Convert to fraction form
    112,732.58/169,101.60 = 37,855.17/x
  3. Step 3: Cross multiply
    112,732.58x = 169,101.60 × 37,855.17
  4. Step 4: Simplify right side
    112,732.58x = 6,401,369,815.27
  5. Step 5: Solve for x
    x = 6,401,369,815.27/112,732.58
  6. Step 6: Final answer
    x = 56,783.67

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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.