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Finding the Fourth Proportional to 355,641.98, 533,743.41 and 156,100.10

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Solution

The fourth proportional to 355,641.98, 533,743.41 and 156,100.10 is: 234,273.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,641.98 : 533,743.41 = 156,100.10 : x
  2. Step 2: Convert to fraction form
    355,641.98/533,743.41 = 156,100.10/x
  3. Step 3: Cross multiply
    355,641.98x = 533,743.41 × 156,100.10
  4. Step 4: Simplify right side
    355,641.98x = 83,317,397,006.62
  5. Step 5: Solve for x
    x = 83,317,397,006.62/355,641.98
  6. Step 6: Final answer
    x = 234,273.24

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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.