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Finding the Fourth Proportional to 113,524.63, 156,668.85 and 63,223.63

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Solution

The fourth proportional to 113,524.63, 156,668.85 and 63,223.63 is: 87,251.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,524.63 : 156,668.85 = 63,223.63 : x
  2. Step 2: Convert to fraction form
    113,524.63/156,668.85 = 63,223.63/x
  3. Step 3: Cross multiply
    113,524.63x = 156,668.85 × 63,223.63
  4. Step 4: Simplify right side
    113,524.63x = 9,905,172,305.46
  5. Step 5: Solve for x
    x = 9,905,172,305.46/113,524.63
  6. Step 6: Final answer
    x = 87,251.31

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1.5x scale

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.