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Finding the Fourth Proportional to 108,168.24, 161,857.64 and 63,816.24

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Solution

The fourth proportional to 108,168.24, 161,857.64 and 63,816.24 is: 95,491.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,168.24 : 161,857.64 = 63,816.24 : x
  2. Step 2: Convert to fraction form
    108,168.24/161,857.64 = 63,816.24/x
  3. Step 3: Cross multiply
    108,168.24x = 161,857.64 × 63,816.24
  4. Step 4: Simplify right side
    108,168.24x = 10,329,146,000.07
  5. Step 5: Solve for x
    x = 10,329,146,000.07/108,168.24
  6. Step 6: Final answer
    x = 95,491.49

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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.