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Finding the Fourth Proportional to 203,612.52, 280,998.60 and 117,575.16

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Solution

The fourth proportional to 203,612.52, 280,998.60 and 117,575.16 is: 162,261.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,612.52 : 280,998.60 = 117,575.16 : x
  2. Step 2: Convert to fraction form
    203,612.52/280,998.60 = 117,575.16/x
  3. Step 3: Cross multiply
    203,612.52x = 280,998.60 × 117,575.16
  4. Step 4: Simplify right side
    203,612.52x = 33,038,455,354.78
  5. Step 5: Solve for x
    x = 33,038,455,354.78/203,612.52
  6. Step 6: Final answer
    x = 162,261.41

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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.