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Finding the Fourth Proportional to 96,763.77, 133,589.52 and 64,489.86

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Solution

The fourth proportional to 96,763.77, 133,589.52 and 64,489.86 is: 89,033.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,763.77 : 133,589.52 = 64,489.86 : x
  2. Step 2: Convert to fraction form
    96,763.77/133,589.52 = 64,489.86/x
  3. Step 3: Cross multiply
    96,763.77x = 133,589.52 × 64,489.86
  4. Step 4: Simplify right side
    96,763.77x = 8,615,169,442.27
  5. Step 5: Solve for x
    x = 8,615,169,442.27/96,763.77
  6. Step 6: Final answer
    x = 89,033.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.