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Finding the Fourth Proportional to 150,530.61, 225,353.01 and 100,486.59

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Solution

The fourth proportional to 150,530.61, 225,353.01 and 100,486.59 is: 150,434.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,530.61 : 225,353.01 = 100,486.59 : x
  2. Step 2: Convert to fraction form
    150,530.61/225,353.01 = 100,486.59/x
  3. Step 3: Cross multiply
    150,530.61x = 225,353.01 × 100,486.59
  4. Step 4: Simplify right side
    150,530.61x = 22,644,955,521.14
  5. Step 5: Solve for x
    x = 22,644,955,521.14/150,530.61
  6. Step 6: Final answer
    x = 150,434.22

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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.