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Finding the Fourth Proportional to 88,813.40, 133,200.90 and 38,893.40

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Solution

The fourth proportional to 88,813.40, 133,200.90 and 38,893.40 is: 58,331.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,813.40 : 133,200.90 = 38,893.40 : x
  2. Step 2: Convert to fraction form
    88,813.40/133,200.90 = 38,893.40/x
  3. Step 3: Cross multiply
    88,813.40x = 133,200.90 × 38,893.40
  4. Step 4: Simplify right side
    88,813.40x = 5,180,635,884.06
  5. Step 5: Solve for x
    x = 5,180,635,884.06/88,813.40
  6. Step 6: Final answer
    x = 58,331.69

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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.