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Finding the Fourth Proportional to 108,319.54, 162,482.62 and 29,435.44

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Solution

The fourth proportional to 108,319.54, 162,482.62 and 29,435.44 is: 44,154.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,319.54 : 162,482.62 = 29,435.44 : x
  2. Step 2: Convert to fraction form
    108,319.54/162,482.62 = 29,435.44/x
  3. Step 3: Cross multiply
    108,319.54x = 162,482.62 × 29,435.44
  4. Step 4: Simplify right side
    108,319.54x = 4,782,747,412.05
  5. Step 5: Solve for x
    x = 4,782,747,412.05/108,319.54
  6. Step 6: Final answer
    x = 44,154.06

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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.