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Finding the Fourth Proportional to 113,752.68, 170,556 and 47,238.72

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Solution

The fourth proportional to 113,752.68, 170,556 and 47,238.72 is: 70,827.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,752.68 : 170,556 = 47,238.72 : x
  2. Step 2: Convert to fraction form
    113,752.68/170,556 = 47,238.72/x
  3. Step 3: Cross multiply
    113,752.68x = 170,556 × 47,238.72
  4. Step 4: Simplify right side
    113,752.68x = 8,056,847,128.32
  5. Step 5: Solve for x
    x = 8,056,847,128.32/113,752.68
  6. Step 6: Final answer
    x = 70,827.76

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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.