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Finding the Fourth Proportional to 108,062.60, 162,132.30 and 104,222.60

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Solution

The fourth proportional to 108,062.60, 162,132.30 and 104,222.60 is: 156,370.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,062.60 : 162,132.30 = 104,222.60 : x
  2. Step 2: Convert to fraction form
    108,062.60/162,132.30 = 104,222.60/x
  3. Step 3: Cross multiply
    108,062.60x = 162,132.30 × 104,222.60
  4. Step 4: Simplify right side
    108,062.60x = 16,897,849,849.98
  5. Step 5: Solve for x
    x = 16,897,849,849.98/108,062.60
  6. Step 6: Final answer
    x = 156,370.94

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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.