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Finding the Fourth Proportional to 101,143.44, 139,532.76 and 60,833.52

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Solution

The fourth proportional to 101,143.44, 139,532.76 and 60,833.52 is: 83,923.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,143.44 : 139,532.76 = 60,833.52 : x
  2. Step 2: Convert to fraction form
    101,143.44/139,532.76 = 60,833.52/x
  3. Step 3: Cross multiply
    101,143.44x = 139,532.76 × 60,833.52
  4. Step 4: Simplify right side
    101,143.44x = 8,488,268,946.12
  5. Step 5: Solve for x
    x = 8,488,268,946.12/101,143.44
  6. Step 6: Final answer
    x = 83,923.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.