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Finding the Fourth Proportional to 108,325.19, 162,487.32 and 29,439.19

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Solution

The fourth proportional to 108,325.19, 162,487.32 and 29,439.19 is: 44,158.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,325.19 : 162,487.32 = 29,439.19 : x
  2. Step 2: Convert to fraction form
    108,325.19/162,487.32 = 29,439.19/x
  3. Step 3: Cross multiply
    108,325.19x = 162,487.32 × 29,439.19
  4. Step 4: Simplify right side
    108,325.19x = 4,783,494,273.63
  5. Step 5: Solve for x
    x = 4,783,494,273.63/108,325.19
  6. Step 6: Final answer
    x = 44,158.65

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1.5x scale

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.