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Finding the Fourth Proportional to 177,603.40, 266,219.01 and 82,755.39

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Solution

The fourth proportional to 177,603.40, 266,219.01 and 82,755.39 is: 124,046.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,603.40 : 266,219.01 = 82,755.39 : x
  2. Step 2: Convert to fraction form
    177,603.40/266,219.01 = 82,755.39/x
  3. Step 3: Cross multiply
    177,603.40x = 266,219.01 × 82,755.39
  4. Step 4: Simplify right side
    177,603.40x = 22,031,056,666.87
  5. Step 5: Solve for x
    x = 22,031,056,666.87/177,603.40
  6. Step 6: Final answer
    x = 124,046.37

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1.5x scale

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.