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Finding the Fourth Proportional to 201,263.64, 301,895.45 and 74,900.60

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Solution

The fourth proportional to 201,263.64, 301,895.45 and 74,900.60 is: 112,350.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,263.64 : 301,895.45 = 74,900.60 : x
  2. Step 2: Convert to fraction form
    201,263.64/301,895.45 = 74,900.60/x
  3. Step 3: Cross multiply
    201,263.64x = 301,895.45 × 74,900.60
  4. Step 4: Simplify right side
    201,263.64x = 22,612,150,342.27
  5. Step 5: Solve for x
    x = 22,612,150,342.27/201,263.64
  6. Step 6: Final answer
    x = 112,350.90

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Similar ratio
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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.