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Finding the Fourth Proportional to 101,117.76, 151,697.40 and 30,034.07

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Solution

The fourth proportional to 101,117.76, 151,697.40 and 30,034.07 is: 45,057.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,117.76 : 151,697.40 = 30,034.07 : x
  2. Step 2: Convert to fraction form
    101,117.76/151,697.40 = 30,034.07/x
  3. Step 3: Cross multiply
    101,117.76x = 151,697.40 × 30,034.07
  4. Step 4: Simplify right side
    101,117.76x = 4,556,089,726.79
  5. Step 5: Solve for x
    x = 4,556,089,726.79/101,117.76
  6. Step 6: Final answer
    x = 45,057.27

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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.