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Finding the Fourth Proportional to 88,850.80, 133,276.20 and 29,688.40

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Solution

The fourth proportional to 88,850.80, 133,276.20 and 29,688.40 is: 44,532.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,850.80 : 133,276.20 = 29,688.40 : x
  2. Step 2: Convert to fraction form
    88,850.80/133,276.20 = 29,688.40/x
  3. Step 3: Cross multiply
    88,850.80x = 133,276.20 × 29,688.40
  4. Step 4: Simplify right side
    88,850.80x = 3,956,757,136.08
  5. Step 5: Solve for x
    x = 3,956,757,136.08/88,850.80
  6. Step 6: Final answer
    x = 44,532.60

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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.