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Finding the Fourth Proportional to 99,672.30, 149,617.80 and 62,274.60

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Solution

The fourth proportional to 99,672.30, 149,617.80 and 62,274.60 is: 93,480.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,672.30 : 149,617.80 = 62,274.60 : x
  2. Step 2: Convert to fraction form
    99,672.30/149,617.80 = 62,274.60/x
  3. Step 3: Cross multiply
    99,672.30x = 149,617.80 × 62,274.60
  4. Step 4: Simplify right side
    99,672.30x = 9,317,388,647.88
  5. Step 5: Solve for x
    x = 9,317,388,647.88/99,672.30
  6. Step 6: Final answer
    x = 93,480.22

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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.