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Finding the Fourth Proportional to 108,773.32, 163,167.84 and 45,529.84

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Solution

The fourth proportional to 108,773.32, 163,167.84 and 45,529.84 is: 68,298.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,773.32 : 163,167.84 = 45,529.84 : x
  2. Step 2: Convert to fraction form
    108,773.32/163,167.84 = 45,529.84/x
  3. Step 3: Cross multiply
    108,773.32x = 163,167.84 × 45,529.84
  4. Step 4: Simplify right side
    108,773.32x = 7,429,005,648.35
  5. Step 5: Solve for x
    x = 7,429,005,648.35/108,773.32
  6. Step 6: Final answer
    x = 68,298.05

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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.