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Finding the Fourth Proportional to 100,273.48, 150,407.40 and 33,717.40

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Solution

The fourth proportional to 100,273.48, 150,407.40 and 33,717.40 is: 50,575.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,273.48 : 150,407.40 = 33,717.40 : x
  2. Step 2: Convert to fraction form
    100,273.48/150,407.40 = 33,717.40/x
  3. Step 3: Cross multiply
    100,273.48x = 150,407.40 × 33,717.40
  4. Step 4: Simplify right side
    100,273.48x = 5,071,346,468.76
  5. Step 5: Solve for x
    x = 5,071,346,468.76/100,273.48
  6. Step 6: Final answer
    x = 50,575.15

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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.