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Finding the Fourth Proportional to 100,365.40, 150,548.10 and 33,783.40

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Solution

The fourth proportional to 100,365.40, 150,548.10 and 33,783.40 is: 50,675.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,365.40 : 150,548.10 = 33,783.40 : x
  2. Step 2: Convert to fraction form
    100,365.40/150,548.10 = 33,783.40/x
  3. Step 3: Cross multiply
    100,365.40x = 150,548.10 × 33,783.40
  4. Step 4: Simplify right side
    100,365.40x = 5,086,026,681.54
  5. Step 5: Solve for x
    x = 5,086,026,681.54/100,365.40
  6. Step 6: Final answer
    x = 50,675.10

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Similar ratio
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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.