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Finding the Fourth Proportional to 96,700.92, 144,803.52 and 57,286.32

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Solution

The fourth proportional to 96,700.92, 144,803.52 and 57,286.32 is: 85,782.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,700.92 : 144,803.52 = 57,286.32 : x
  2. Step 2: Convert to fraction form
    96,700.92/144,803.52 = 57,286.32/x
  3. Step 3: Cross multiply
    96,700.92x = 144,803.52 × 57,286.32
  4. Step 4: Simplify right side
    96,700.92x = 8,295,260,783.85
  5. Step 5: Solve for x
    x = 8,295,260,783.85/96,700.92
  6. Step 6: Final answer
    x = 85,782.65

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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.