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Finding the Fourth Proportional to 201,249.20, 301,873.80 and 60,989.60

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Solution

The fourth proportional to 201,249.20, 301,873.80 and 60,989.60 is: 91,484.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,249.20 : 301,873.80 = 60,989.60 : x
  2. Step 2: Convert to fraction form
    201,249.20/301,873.80 = 60,989.60/x
  3. Step 3: Cross multiply
    201,249.20x = 301,873.80 × 60,989.60
  4. Step 4: Simplify right side
    201,249.20x = 18,411,162,312.48
  5. Step 5: Solve for x
    x = 18,411,162,312.48/201,249.20
  6. Step 6: Final answer
    x = 91,484.40

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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.