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Finding the Fourth Proportional to 101,047.20, 151,556.40 and 34,490.40

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Solution

The fourth proportional to 101,047.20, 151,556.40 and 34,490.40 is: 51,730.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,047.20 : 151,556.40 = 34,490.40 : x
  2. Step 2: Convert to fraction form
    101,047.20/151,556.40 = 34,490.40/x
  3. Step 3: Cross multiply
    101,047.20x = 151,556.40 × 34,490.40
  4. Step 4: Simplify right side
    101,047.20x = 5,227,240,858.56
  5. Step 5: Solve for x
    x = 5,227,240,858.56/101,047.20
  6. Step 6: Final answer
    x = 51,730.68

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1.5x scale

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.