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Finding the Fourth Proportional to 106,321.58, 146,730.42 and 58,574.92

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Solution

The fourth proportional to 106,321.58, 146,730.42 and 58,574.92 is: 80,837.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,321.58 : 146,730.42 = 58,574.92 : x
  2. Step 2: Convert to fraction form
    106,321.58/146,730.42 = 58,574.92/x
  3. Step 3: Cross multiply
    106,321.58x = 146,730.42 × 58,574.92
  4. Step 4: Simplify right side
    106,321.58x = 8,594,722,613.07
  5. Step 5: Solve for x
    x = 8,594,722,613.07/106,321.58
  6. Step 6: Final answer
    x = 80,837.05

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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.