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Finding the Fourth Proportional to 89,033.02, 133,572.30 and 62,789.02

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Solution

The fourth proportional to 89,033.02, 133,572.30 and 62,789.02 is: 94,199.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,033.02 : 133,572.30 = 62,789.02 : x
  2. Step 2: Convert to fraction form
    89,033.02/133,572.30 = 62,789.02/x
  3. Step 3: Cross multiply
    89,033.02x = 133,572.30 × 62,789.02
  4. Step 4: Simplify right side
    89,033.02x = 8,386,873,816.15
  5. Step 5: Solve for x
    x = 8,386,873,816.15/89,033.02
  6. Step 6: Final answer
    x = 94,199.59

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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.