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Finding the Fourth Proportional to 108,586.66, 162,137.28 and 97,268.93

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Solution

The fourth proportional to 108,586.66, 162,137.28 and 97,268.93 is: 145,238.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,586.66 : 162,137.28 = 97,268.93 : x
  2. Step 2: Convert to fraction form
    108,586.66/162,137.28 = 97,268.93/x
  3. Step 3: Cross multiply
    108,586.66x = 162,137.28 × 97,268.93
  4. Step 4: Simplify right side
    108,586.66x = 15,770,919,738.71
  5. Step 5: Solve for x
    x = 15,770,919,738.71/108,586.66
  6. Step 6: Final answer
    x = 145,238.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.