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Finding the Fourth Proportional to 156,571.56, 216,065.97 and 95,295.58

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Solution

The fourth proportional to 156,571.56, 216,065.97 and 95,295.58 is: 131,506.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,571.56 : 216,065.97 = 95,295.58 : x
  2. Step 2: Convert to fraction form
    156,571.56/216,065.97 = 95,295.58/x
  3. Step 3: Cross multiply
    156,571.56x = 216,065.97 × 95,295.58
  4. Step 4: Simplify right side
    156,571.56x = 20,590,131,929.41
  5. Step 5: Solve for x
    x = 20,590,131,929.41/156,571.56
  6. Step 6: Final answer
    x = 131,506.21

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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.