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Finding the Fourth Proportional to 101,313.83, 152,062.08 and 53,968.46

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Solution

The fourth proportional to 101,313.83, 152,062.08 and 53,968.46 is: 81,001.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,313.83 : 152,062.08 = 53,968.46 : x
  2. Step 2: Convert to fraction form
    101,313.83/152,062.08 = 53,968.46/x
  3. Step 3: Cross multiply
    101,313.83x = 152,062.08 × 53,968.46
  4. Step 4: Simplify right side
    101,313.83x = 8,206,555,521.69
  5. Step 5: Solve for x
    x = 8,206,555,521.69/101,313.83
  6. Step 6: Final answer
    x = 81,001.34

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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.