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Finding the Fourth Proportional to 365,251.75, 547,877.64 and 99,012.25

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Solution

The fourth proportional to 365,251.75, 547,877.64 and 99,012.25 is: 148,518.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,251.75 : 547,877.64 = 99,012.25 : x
  2. Step 2: Convert to fraction form
    365,251.75/547,877.64 = 99,012.25/x
  3. Step 3: Cross multiply
    365,251.75x = 547,877.64 × 99,012.25
  4. Step 4: Simplify right side
    365,251.75x = 54,246,597,861.09
  5. Step 5: Solve for x
    x = 54,246,597,861.09/365,251.75
  6. Step 6: Final answer
    x = 148,518.38

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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.