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Finding the Fourth Proportional to 96,803.52, 133,584.15 and 53,785.72

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Solution

The fourth proportional to 96,803.52, 133,584.15 and 53,785.72 is: 74,221.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,803.52 : 133,584.15 = 53,785.72 : x
  2. Step 2: Convert to fraction form
    96,803.52/133,584.15 = 53,785.72/x
  3. Step 3: Cross multiply
    96,803.52x = 133,584.15 × 53,785.72
  4. Step 4: Simplify right side
    96,803.52x = 7,184,919,688.34
  5. Step 5: Solve for x
    x = 7,184,919,688.34/96,803.52
  6. Step 6: Final answer
    x = 74,221.68

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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.