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Finding the Fourth Proportional to 203,604.46, 280,987.45 and 117,567.07

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Solution

The fourth proportional to 203,604.46, 280,987.45 and 117,567.07 is: 162,250.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,604.46 : 280,987.45 = 117,567.07 : x
  2. Step 2: Convert to fraction form
    203,604.46/280,987.45 = 117,567.07/x
  3. Step 3: Cross multiply
    203,604.46x = 280,987.45 × 117,567.07
  4. Step 4: Simplify right side
    203,604.46x = 33,034,871,203.27
  5. Step 5: Solve for x
    x = 33,034,871,203.27/203,604.46
  6. Step 6: Final answer
    x = 162,250.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.