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Finding the Fourth Proportional to 108,294.40, 162,478.48 and 58,379.32

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Solution

The fourth proportional to 108,294.40, 162,478.48 and 58,379.32 is: 87,588.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,294.40 : 162,478.48 = 58,379.32 : x
  2. Step 2: Convert to fraction form
    108,294.40/162,478.48 = 58,379.32/x
  3. Step 3: Cross multiply
    108,294.40x = 162,478.48 × 58,379.32
  4. Step 4: Simplify right side
    108,294.40x = 9,485,383,177.03
  5. Step 5: Solve for x
    x = 9,485,383,177.03/108,294.40
  6. Step 6: Final answer
    x = 87,588.86

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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.