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Finding the Fourth Proportional to 215,001.20, 322,404.60 and 96,611.60

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Solution

The fourth proportional to 215,001.20, 322,404.60 and 96,611.60 is: 144,873.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,001.20 : 322,404.60 = 96,611.60 : x
  2. Step 2: Convert to fraction form
    215,001.20/322,404.60 = 96,611.60/x
  3. Step 3: Cross multiply
    215,001.20x = 322,404.60 × 96,611.60
  4. Step 4: Simplify right side
    215,001.20x = 31,148,024,253.36
  5. Step 5: Solve for x
    x = 31,148,024,253.36/215,001.20
  6. Step 6: Final answer
    x = 144,873.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.