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Finding the Fourth Proportional to 200,885.55, 301,115.70 and 74,444.55

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Solution

The fourth proportional to 200,885.55, 301,115.70 and 74,444.55 is: 111,588.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,885.55 : 301,115.70 = 74,444.55 : x
  2. Step 2: Convert to fraction form
    200,885.55/301,115.70 = 74,444.55/x
  3. Step 3: Cross multiply
    200,885.55x = 301,115.70 × 74,444.55
  4. Step 4: Simplify right side
    200,885.55x = 22,416,422,784.44
  5. Step 5: Solve for x
    x = 22,416,422,784.44/200,885.55
  6. Step 6: Final answer
    x = 111,588.03

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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.