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Finding the Fourth Proportional to 89,498.30, 133,955.24 and 65,799.59

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Solution

The fourth proportional to 89,498.30, 133,955.24 and 65,799.59 is: 98,484.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,498.30 : 133,955.24 = 65,799.59 : x
  2. Step 2: Convert to fraction form
    89,498.30/133,955.24 = 65,799.59/x
  3. Step 3: Cross multiply
    89,498.30x = 133,955.24 × 65,799.59
  4. Step 4: Simplify right side
    89,498.30x = 8,814,198,871.58
  5. Step 5: Solve for x
    x = 8,814,198,871.58/89,498.30
  6. Step 6: Final answer
    x = 98,484.55

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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.