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Finding the Fourth Proportional to 235,820.44, 325,648.44 and 149,807.20

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Solution

The fourth proportional to 235,820.44, 325,648.44 and 149,807.20 is: 206,871.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,820.44 : 325,648.44 = 149,807.20 : x
  2. Step 2: Convert to fraction form
    235,820.44/325,648.44 = 149,807.20/x
  3. Step 3: Cross multiply
    235,820.44x = 325,648.44 × 149,807.20
  4. Step 4: Simplify right side
    235,820.44x = 48,784,480,980.77
  5. Step 5: Solve for x
    x = 48,784,480,980.77/235,820.44
  6. Step 6: Final answer
    x = 206,871.30

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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.