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Finding the Fourth Proportional to 101,104.25, 151,749.54 and 51,219.09

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Solution

The fourth proportional to 101,104.25, 151,749.54 and 51,219.09 is: 76,875.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,104.25 : 151,749.54 = 51,219.09 : x
  2. Step 2: Convert to fraction form
    101,104.25/151,749.54 = 51,219.09/x
  3. Step 3: Cross multiply
    101,104.25x = 151,749.54 × 51,219.09
  4. Step 4: Simplify right side
    101,104.25x = 7,772,473,346.72
  5. Step 5: Solve for x
    x = 7,772,473,346.72/101,104.25
  6. Step 6: Final answer
    x = 76,875.84

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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.