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Finding the Fourth Proportional to 100,547.88, 150,817.08 and 33,990.66

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Solution

The fourth proportional to 100,547.88, 150,817.08 and 33,990.66 is: 50,984.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,547.88 : 150,817.08 = 33,990.66 : x
  2. Step 2: Convert to fraction form
    100,547.88/150,817.08 = 33,990.66/x
  3. Step 3: Cross multiply
    100,547.88x = 150,817.08 × 33,990.66
  4. Step 4: Simplify right side
    100,547.88x = 5,126,372,088.47
  5. Step 5: Solve for x
    x = 5,126,372,088.47/100,547.88
  6. Step 6: Final answer
    x = 50,984.39

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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.