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Finding the Fourth Proportional to 101,079.40, 151,619.10 and 56,737.30

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Solution

The fourth proportional to 101,079.40, 151,619.10 and 56,737.30 is: 85,105.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,079.40 : 151,619.10 = 56,737.30 : x
  2. Step 2: Convert to fraction form
    101,079.40/151,619.10 = 56,737.30/x
  3. Step 3: Cross multiply
    101,079.40x = 151,619.10 × 56,737.30
  4. Step 4: Simplify right side
    101,079.40x = 8,602,458,362.43
  5. Step 5: Solve for x
    x = 8,602,458,362.43/101,079.40
  6. Step 6: Final answer
    x = 85,105.95

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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.