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Finding the Fourth Proportional to 133,400.74, 199,878.96 and 93,874.84

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Solution

The fourth proportional to 133,400.74, 199,878.96 and 93,874.84 is: 140,655.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,400.74 : 199,878.96 = 93,874.84 : x
  2. Step 2: Convert to fraction form
    133,400.74/199,878.96 = 93,874.84/x
  3. Step 3: Cross multiply
    133,400.74x = 199,878.96 × 93,874.84
  4. Step 4: Simplify right side
    133,400.74x = 18,763,605,389.37
  5. Step 5: Solve for x
    x = 18,763,605,389.37/133,400.74
  6. Step 6: Final answer
    x = 140,655.93

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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.