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Finding the Fourth Proportional to 108,560.86, 162,882.29 and 42,004.98

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Solution

The fourth proportional to 108,560.86, 162,882.29 and 42,004.98 is: 63,023.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,560.86 : 162,882.29 = 42,004.98 : x
  2. Step 2: Convert to fraction form
    108,560.86/162,882.29 = 42,004.98/x
  3. Step 3: Cross multiply
    108,560.86x = 162,882.29 × 42,004.98
  4. Step 4: Simplify right side
    108,560.86x = 6,841,867,438.82
  5. Step 5: Solve for x
    x = 6,841,867,438.82/108,560.86
  6. Step 6: Final answer
    x = 63,023.34

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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.