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Finding the Fourth Proportional to 96,598.50, 133,260.57 and 68,319.78

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Solution

The fourth proportional to 96,598.50, 133,260.57 and 68,319.78 is: 94,249.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,598.50 : 133,260.57 = 68,319.78 : x
  2. Step 2: Convert to fraction form
    96,598.50/133,260.57 = 68,319.78/x
  3. Step 3: Cross multiply
    96,598.50x = 133,260.57 × 68,319.78
  4. Step 4: Simplify right side
    96,598.50x = 9,104,332,825.07
  5. Step 5: Solve for x
    x = 9,104,332,825.07/96,598.50
  6. Step 6: Final answer
    x = 94,249.22

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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.