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Finding the Fourth Proportional to 108,296.90, 162,482.23 and 58,381.82

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Solution

The fourth proportional to 108,296.90, 162,482.23 and 58,381.82 is: 87,592.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,296.90 : 162,482.23 = 58,381.82 : x
  2. Step 2: Convert to fraction form
    108,296.90/162,482.23 = 58,381.82/x
  3. Step 3: Cross multiply
    108,296.90x = 162,482.23 × 58,381.82
  4. Step 4: Simplify right side
    108,296.90x = 9,486,008,305.06
  5. Step 5: Solve for x
    x = 9,486,008,305.06/108,296.90
  6. Step 6: Final answer
    x = 87,592.61

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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.