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Finding the Fourth Proportional to 150,602.68, 225,460.16 and 131,919.20

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Solution

The fourth proportional to 150,602.68, 225,460.16 and 131,919.20 is: 197,490.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,602.68 : 225,460.16 = 131,919.20 : x
  2. Step 2: Convert to fraction form
    150,602.68/225,460.16 = 131,919.20/x
  3. Step 3: Cross multiply
    150,602.68x = 225,460.16 × 131,919.20
  4. Step 4: Simplify right side
    150,602.68x = 29,742,523,939.07
  5. Step 5: Solve for x
    x = 29,742,523,939.07/150,602.68
  6. Step 6: Final answer
    x = 197,490.00

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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.