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Finding the Fourth Proportional to 203,201.01, 280,421.91 and 115,984.35

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Solution

The fourth proportional to 203,201.01, 280,421.91 and 115,984.35 is: 160,060.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,201.01 : 280,421.91 = 115,984.35 : x
  2. Step 2: Convert to fraction form
    203,201.01/280,421.91 = 115,984.35/x
  3. Step 3: Cross multiply
    203,201.01x = 280,421.91 × 115,984.35
  4. Step 4: Simplify right side
    203,201.01x = 32,524,552,957.11
  5. Step 5: Solve for x
    x = 32,524,552,957.11/203,201.01
  6. Step 6: Final answer
    x = 160,060.98

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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.