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Finding the Fourth Proportional to 156,618.95, 216,102.89 and 95,324.09

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Solution

The fourth proportional to 156,618.95, 216,102.89 and 95,324.09 is: 131,528.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,618.95 : 216,102.89 = 95,324.09 : x
  2. Step 2: Convert to fraction form
    156,618.95/216,102.89 = 95,324.09/x
  3. Step 3: Cross multiply
    156,618.95x = 216,102.89 × 95,324.09
  4. Step 4: Simplify right side
    156,618.95x = 20,599,809,778.49
  5. Step 5: Solve for x
    x = 20,599,809,778.49/156,618.95
  6. Step 6: Final answer
    x = 131,528.21

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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.