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Finding the Fourth Proportional to 356,902.88, 535,329.26 and 167,404.80

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Solution

The fourth proportional to 356,902.88, 535,329.26 and 167,404.80 is: 251,095.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,902.88 : 535,329.26 = 167,404.80 : x
  2. Step 2: Convert to fraction form
    356,902.88/535,329.26 = 167,404.80/x
  3. Step 3: Cross multiply
    356,902.88x = 535,329.26 × 167,404.80
  4. Step 4: Simplify right side
    356,902.88x = 89,616,688,122.96
  5. Step 5: Solve for x
    x = 89,616,688,122.96/356,902.88
  6. Step 6: Final answer
    x = 251,095.45

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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.