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Finding the Fourth Proportional to 207,777.60, 311,682.60 and 89,452.80

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Solution

The fourth proportional to 207,777.60, 311,682.60 and 89,452.80 is: 134,186.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,777.60 : 311,682.60 = 89,452.80 : x
  2. Step 2: Convert to fraction form
    207,777.60/311,682.60 = 89,452.80/x
  3. Step 3: Cross multiply
    207,777.60x = 311,682.60 × 89,452.80
  4. Step 4: Simplify right side
    207,777.60x = 27,880,881,281.28
  5. Step 5: Solve for x
    x = 27,880,881,281.28/207,777.60
  6. Step 6: Final answer
    x = 134,186.17

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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.