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Finding the Fourth Proportional to 101,066.70, 151,600.05 and 92,901.90

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Solution

The fourth proportional to 101,066.70, 151,600.05 and 92,901.90 is: 139,352.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,066.70 : 151,600.05 = 92,901.90 : x
  2. Step 2: Convert to fraction form
    101,066.70/151,600.05 = 92,901.90/x
  3. Step 3: Cross multiply
    101,066.70x = 151,600.05 × 92,901.90
  4. Step 4: Simplify right side
    101,066.70x = 14,083,932,685.10
  5. Step 5: Solve for x
    x = 14,083,932,685.10/101,066.70
  6. Step 6: Final answer
    x = 139,352.85

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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.