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Finding the Fourth Proportional to 195,288.80, 293,559.60 and 181,421.60

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Solution

The fourth proportional to 195,288.80, 293,559.60 and 181,421.60 is: 272,714.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,288.80 : 293,559.60 = 181,421.60 : x
  2. Step 2: Convert to fraction form
    195,288.80/293,559.60 = 181,421.60/x
  3. Step 3: Cross multiply
    195,288.80x = 293,559.60 × 181,421.60
  4. Step 4: Simplify right side
    195,288.80x = 53,258,052,327.36
  5. Step 5: Solve for x
    x = 53,258,052,327.36/195,288.80
  6. Step 6: Final answer
    x = 272,714.32

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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.