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Finding the Fourth Proportional to 487,099.02, 730,721.26 and 150,111.66

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Solution

The fourth proportional to 487,099.02, 730,721.26 and 150,111.66 is: 225,189.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,099.02 : 730,721.26 = 150,111.66 : x
  2. Step 2: Convert to fraction form
    487,099.02/730,721.26 = 150,111.66/x
  3. Step 3: Cross multiply
    487,099.02x = 730,721.26 × 150,111.66
  4. Step 4: Simplify right side
    487,099.02x = 109,689,781,335.89
  5. Step 5: Solve for x
    x = 109,689,781,335.89/487,099.02
  6. Step 6: Final answer
    x = 225,189.90

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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.