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Finding the Fourth Proportional to 374,641.09, 561,960.32 and 134,754.59

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Solution

The fourth proportional to 374,641.09, 561,960.32 and 134,754.59 is: 202,131.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,641.09 : 561,960.32 = 134,754.59 : x
  2. Step 2: Convert to fraction form
    374,641.09/561,960.32 = 134,754.59/x
  3. Step 3: Cross multiply
    374,641.09x = 561,960.32 × 134,754.59
  4. Step 4: Simplify right side
    374,641.09x = 75,726,733,249.00
  5. Step 5: Solve for x
    x = 75,726,733,249.00/374,641.09
  6. Step 6: Final answer
    x = 202,131.42

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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.