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Finding the Fourth Proportional to 88,818.40, 133,162.80 and 36,200.80

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Solution

The fourth proportional to 88,818.40, 133,162.80 and 36,200.80 is: 54,274.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,818.40 : 133,162.80 = 36,200.80 : x
  2. Step 2: Convert to fraction form
    88,818.40/133,162.80 = 36,200.80/x
  3. Step 3: Cross multiply
    88,818.40x = 133,162.80 × 36,200.80
  4. Step 4: Simplify right side
    88,818.40x = 4,820,599,890.24
  5. Step 5: Solve for x
    x = 4,820,599,890.24/88,818.40
  6. Step 6: Final answer
    x = 54,274.79

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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.