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Finding the Fourth Proportional to 108,773.45, 163,168.02 and 45,529.93

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Solution

The fourth proportional to 108,773.45, 163,168.02 and 45,529.93 is: 68,298.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,773.45 : 163,168.02 = 45,529.93 : x
  2. Step 2: Convert to fraction form
    108,773.45/163,168.02 = 45,529.93/x
  3. Step 3: Cross multiply
    108,773.45x = 163,168.02 × 45,529.93
  4. Step 4: Simplify right side
    108,773.45x = 7,429,028,120.92
  5. Step 5: Solve for x
    x = 7,429,028,120.92/108,773.45
  6. Step 6: Final answer
    x = 68,298.18

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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.