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Finding the Fourth Proportional to 173,155.66, 259,740.90 and 67,997.38

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Solution

The fourth proportional to 173,155.66, 259,740.90 and 67,997.38 is: 101,998.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,155.66 : 259,740.90 = 67,997.38 : x
  2. Step 2: Convert to fraction form
    173,155.66/259,740.90 = 67,997.38/x
  3. Step 3: Cross multiply
    173,155.66x = 259,740.90 × 67,997.38
  4. Step 4: Simplify right side
    173,155.66x = 17,661,700,678.84
  5. Step 5: Solve for x
    x = 17,661,700,678.84/173,155.66
  6. Step 6: Final answer
    x = 101,998.98

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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.