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Finding the Fourth Proportional to 101,332.40, 151,768.20 and 64,007.60

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Solution

The fourth proportional to 101,332.40, 151,768.20 and 64,007.60 is: 95,865.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,332.40 : 151,768.20 = 64,007.60 : x
  2. Step 2: Convert to fraction form
    101,332.40/151,768.20 = 64,007.60/x
  3. Step 3: Cross multiply
    101,332.40x = 151,768.20 × 64,007.60
  4. Step 4: Simplify right side
    101,332.40x = 9,714,318,238.32
  5. Step 5: Solve for x
    x = 9,714,318,238.32/101,332.40
  6. Step 6: Final answer
    x = 95,865.87

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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.