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Finding the Fourth Proportional to 150,811.95, 208,068.41 and 96,395.95

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Solution

The fourth proportional to 150,811.95, 208,068.41 and 96,395.95 is: 132,993.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,811.95 : 208,068.41 = 96,395.95 : x
  2. Step 2: Convert to fraction form
    150,811.95/208,068.41 = 96,395.95/x
  3. Step 3: Cross multiply
    150,811.95x = 208,068.41 × 96,395.95
  4. Step 4: Simplify right side
    150,811.95x = 20,056,951,044.79
  5. Step 5: Solve for x
    x = 20,056,951,044.79/150,811.95
  6. Step 6: Final answer
    x = 132,993.12

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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.