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Finding the Fourth Proportional to 201,218.47, 277,659.12 and 160,917.55

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Solution

The fourth proportional to 201,218.47, 277,659.12 and 160,917.55 is: 222,048.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,218.47 : 277,659.12 = 160,917.55 : x
  2. Step 2: Convert to fraction form
    201,218.47/277,659.12 = 160,917.55/x
  3. Step 3: Cross multiply
    201,218.47x = 277,659.12 × 160,917.55
  4. Step 4: Simplify right side
    201,218.47x = 44,680,225,325.56
  5. Step 5: Solve for x
    x = 44,680,225,325.56/201,218.47
  6. Step 6: Final answer
    x = 222,048.33

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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.