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Finding the Fourth Proportional to 101,207.68, 151,888.96 and 45,842.56

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Solution

The fourth proportional to 101,207.68, 151,888.96 and 45,842.56 is: 68,798.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,207.68 : 151,888.96 = 45,842.56 : x
  2. Step 2: Convert to fraction form
    101,207.68/151,888.96 = 45,842.56/x
  3. Step 3: Cross multiply
    101,207.68x = 151,888.96 × 45,842.56
  4. Step 4: Simplify right side
    101,207.68x = 6,962,978,762.14
  5. Step 5: Solve for x
    x = 6,962,978,762.14/101,207.68
  6. Step 6: Final answer
    x = 68,798.92

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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.