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Finding the Fourth Proportional to 108,773.28, 163,130.08 and 29,868.80

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Solution

The fourth proportional to 108,773.28, 163,130.08 and 29,868.80 is: 44,795.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,773.28 : 163,130.08 = 29,868.80 : x
  2. Step 2: Convert to fraction form
    108,773.28/163,130.08 = 29,868.80/x
  3. Step 3: Cross multiply
    108,773.28x = 163,130.08 × 29,868.80
  4. Step 4: Simplify right side
    108,773.28x = 4,872,499,733.50
  5. Step 5: Solve for x
    x = 4,872,499,733.50/108,773.28
  6. Step 6: Final answer
    x = 44,795.01

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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.