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Finding the Fourth Proportional to 100,755, 151,131.51 and 37,572.93

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Solution

The fourth proportional to 100,755, 151,131.51 and 37,572.93 is: 56,359.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,755 : 151,131.51 = 37,572.93 : x
  2. Step 2: Convert to fraction form
    100,755/151,131.51 = 37,572.93/x
  3. Step 3: Cross multiply
    100,755x = 151,131.51 × 37,572.93
  4. Step 4: Simplify right side
    100,755x = 5,678,453,646.02
  5. Step 5: Solve for x
    x = 5,678,453,646.02/100,755
  6. Step 6: Final answer
    x = 56,359.03

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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.