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Finding the Fourth Proportional to 112,527.85, 168,800.69 and 37,648.39

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Solution

The fourth proportional to 112,527.85, 168,800.69 and 37,648.39 is: 56,475.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,527.85 : 168,800.69 = 37,648.39 : x
  2. Step 2: Convert to fraction form
    112,527.85/168,800.69 = 37,648.39/x
  3. Step 3: Cross multiply
    112,527.85x = 168,800.69 × 37,648.39
  4. Step 4: Simplify right side
    112,527.85x = 6,355,074,021.15
  5. Step 5: Solve for x
    x = 6,355,074,021.15/112,527.85
  6. Step 6: Final answer
    x = 56,475.57

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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.