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Finding the Fourth Proportional to 108,287.75, 162,459.30 and 41,710

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Solution

The fourth proportional to 108,287.75, 162,459.30 and 41,710 is: 62,575.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,287.75 : 162,459.30 = 41,710 : x
  2. Step 2: Convert to fraction form
    108,287.75/162,459.30 = 41,710/x
  3. Step 3: Cross multiply
    108,287.75x = 162,459.30 × 41,710
  4. Step 4: Simplify right side
    108,287.75x = 6,776,177,403.00
  5. Step 5: Solve for x
    x = 6,776,177,403.00/108,287.75
  6. Step 6: Final answer
    x = 62,575.66

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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.