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Finding the Fourth Proportional to 98,007.76, 146,924.16 and 45,344.80

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Solution

The fourth proportional to 98,007.76, 146,924.16 and 45,344.80 is: 67,976.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,007.76 : 146,924.16 = 45,344.80 : x
  2. Step 2: Convert to fraction form
    98,007.76/146,924.16 = 45,344.80/x
  3. Step 3: Cross multiply
    98,007.76x = 146,924.16 × 45,344.80
  4. Step 4: Simplify right side
    98,007.76x = 6,662,246,650.37
  5. Step 5: Solve for x
    x = 6,662,246,650.37/98,007.76
  6. Step 6: Final answer
    x = 67,976.73

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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.