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Finding the Fourth Proportional to 88,891.80, 133,629.30 and 62,777.40

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Solution

The fourth proportional to 88,891.80, 133,629.30 and 62,777.40 is: 94,372.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,891.80 : 133,629.30 = 62,777.40 : x
  2. Step 2: Convert to fraction form
    88,891.80/133,629.30 = 62,777.40/x
  3. Step 3: Cross multiply
    88,891.80x = 133,629.30 × 62,777.40
  4. Step 4: Simplify right side
    88,891.80x = 8,388,900,017.82
  5. Step 5: Solve for x
    x = 8,388,900,017.82/88,891.80
  6. Step 6: Final answer
    x = 94,372.03

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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.