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Finding the Fourth Proportional to 181,534.68, 250,480.80 and 106,068.60

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Solution

The fourth proportional to 181,534.68, 250,480.80 and 106,068.60 is: 146,353.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,534.68 : 250,480.80 = 106,068.60 : x
  2. Step 2: Convert to fraction form
    181,534.68/250,480.80 = 106,068.60/x
  3. Step 3: Cross multiply
    181,534.68x = 250,480.80 × 106,068.60
  4. Step 4: Simplify right side
    181,534.68x = 26,568,147,782.88
  5. Step 5: Solve for x
    x = 26,568,147,782.88/181,534.68
  6. Step 6: Final answer
    x = 146,353.02

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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.