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Finding the Fourth Proportional to 177,603.03, 266,174.91 and 132,878.88

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Solution

The fourth proportional to 177,603.03, 266,174.91 and 132,878.88 is: 199,146.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,603.03 : 266,174.91 = 132,878.88 : x
  2. Step 2: Convert to fraction form
    177,603.03/266,174.91 = 132,878.88/x
  3. Step 3: Cross multiply
    177,603.03x = 266,174.91 × 132,878.88
  4. Step 4: Simplify right side
    177,603.03x = 35,369,023,924.90
  5. Step 5: Solve for x
    x = 35,369,023,924.90/177,603.03
  6. Step 6: Final answer
    x = 199,146.51

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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.