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Finding the Fourth Proportional to 203,444.67, 280,739.90 and 117,407.24

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Solution

The fourth proportional to 203,444.67, 280,739.90 and 117,407.24 is: 162,014.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,444.67 : 280,739.90 = 117,407.24 : x
  2. Step 2: Convert to fraction form
    203,444.67/280,739.90 = 117,407.24/x
  3. Step 3: Cross multiply
    203,444.67x = 280,739.90 × 117,407.24
  4. Step 4: Simplify right side
    203,444.67x = 32,960,896,759.47
  5. Step 5: Solve for x
    x = 32,960,896,759.47/203,444.67
  6. Step 6: Final answer
    x = 162,014.06

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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.