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Finding the Fourth Proportional to 101,458.43, 140,003.42 and 58,426.46

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Solution

The fourth proportional to 101,458.43, 140,003.42 and 58,426.46 is: 80,623.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,458.43 : 140,003.42 = 58,426.46 : x
  2. Step 2: Convert to fraction form
    101,458.43/140,003.42 = 58,426.46/x
  3. Step 3: Cross multiply
    101,458.43x = 140,003.42 × 58,426.46
  4. Step 4: Simplify right side
    101,458.43x = 8,179,903,226.34
  5. Step 5: Solve for x
    x = 8,179,903,226.34/101,458.43
  6. Step 6: Final answer
    x = 80,623.20

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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.