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Finding the Fourth Proportional to 100,275.86, 150,415.95 and 33,718.10

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Solution

The fourth proportional to 100,275.86, 150,415.95 and 33,718.10 is: 50,577.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,275.86 : 150,415.95 = 33,718.10 : x
  2. Step 2: Convert to fraction form
    100,275.86/150,415.95 = 33,718.10/x
  3. Step 3: Cross multiply
    100,275.86x = 150,415.95 × 33,718.10
  4. Step 4: Simplify right side
    100,275.86x = 5,071,740,043.70
  5. Step 5: Solve for x
    x = 5,071,740,043.70/100,275.86
  6. Step 6: Final answer
    x = 50,577.88

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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.