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Finding the Fourth Proportional to 88,894.40, 133,276.80 and 36,276.80

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Solution

The fourth proportional to 88,894.40, 133,276.80 and 36,276.80 is: 54,388.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,894.40 : 133,276.80 = 36,276.80 : x
  2. Step 2: Convert to fraction form
    88,894.40/133,276.80 = 36,276.80/x
  3. Step 3: Cross multiply
    88,894.40x = 133,276.80 × 36,276.80
  4. Step 4: Simplify right side
    88,894.40x = 4,834,855,818.24
  5. Step 5: Solve for x
    x = 4,834,855,818.24/88,894.40
  6. Step 6: Final answer
    x = 54,388.76

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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.