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Finding the Fourth Proportional to 108,203.53, 162,313.67 and 36,156.68

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Solution

The fourth proportional to 108,203.53, 162,313.67 and 36,156.68 is: 54,237.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,203.53 : 162,313.67 = 36,156.68 : x
  2. Step 2: Convert to fraction form
    108,203.53/162,313.67 = 36,156.68/x
  3. Step 3: Cross multiply
    108,203.53x = 162,313.67 × 36,156.68
  4. Step 4: Simplify right side
    108,203.53x = 5,868,723,650.82
  5. Step 5: Solve for x
    x = 5,868,723,650.82/108,203.53
  6. Step 6: Final answer
    x = 54,237.82

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1.5x scale

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.