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Finding the Fourth Proportional to 167,603.45, 251,404.52 and 67,762.44

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Solution

The fourth proportional to 167,603.45, 251,404.52 and 67,762.44 is: 101,643.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,603.45 : 251,404.52 = 67,762.44 : x
  2. Step 2: Convert to fraction form
    167,603.45/251,404.52 = 67,762.44/x
  3. Step 3: Cross multiply
    167,603.45x = 251,404.52 × 67,762.44
  4. Step 4: Simplify right side
    167,603.45x = 17,035,783,363.42
  5. Step 5: Solve for x
    x = 17,035,783,363.42/167,603.45
  6. Step 6: Final answer
    x = 101,643.40

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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.