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Finding the Fourth Proportional to 147,352.93, 203,347.07 and 80,284.93

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Solution

The fourth proportional to 147,352.93, 203,347.07 and 80,284.93 is: 110,793.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,352.93 : 203,347.07 = 80,284.93 : x
  2. Step 2: Convert to fraction form
    147,352.93/203,347.07 = 80,284.93/x
  3. Step 3: Cross multiply
    147,352.93x = 203,347.07 × 80,284.93
  4. Step 4: Simplify right side
    147,352.93x = 16,325,704,879.23
  5. Step 5: Solve for x
    x = 16,325,704,879.23/147,352.93
  6. Step 6: Final answer
    x = 110,793.22

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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.