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Finding the Fourth Proportional to 555,395.01, 833,121.05 and 156,066.93

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Solution

The fourth proportional to 555,395.01, 833,121.05 and 156,066.93 is: 234,108.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,395.01 : 833,121.05 = 156,066.93 : x
  2. Step 2: Convert to fraction form
    555,395.01/833,121.05 = 156,066.93/x
  3. Step 3: Cross multiply
    555,395.01x = 833,121.05 × 156,066.93
  4. Step 4: Simplify right side
    555,395.01x = 130,022,644,591.88
  5. Step 5: Solve for x
    x = 130,022,644,591.88/555,395.01
  6. Step 6: Final answer
    x = 234,108.41

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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.