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Finding the Fourth Proportional to 156,563.32, 216,169.72 and 96,214.88

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Solution

The fourth proportional to 156,563.32, 216,169.72 and 96,214.88 is: 132,845.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,563.32 : 216,169.72 = 96,214.88 : x
  2. Step 2: Convert to fraction form
    156,563.32/216,169.72 = 96,214.88/x
  3. Step 3: Cross multiply
    156,563.32x = 216,169.72 × 96,214.88
  4. Step 4: Simplify right side
    156,563.32x = 20,798,743,669.43
  5. Step 5: Solve for x
    x = 20,798,743,669.43/156,563.32
  6. Step 6: Final answer
    x = 132,845.57

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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.