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Finding the Fourth Proportional to 291,888.15, 437,832.22 and 134,249.19

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Solution

The fourth proportional to 291,888.15, 437,832.22 and 134,249.19 is: 201,373.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,888.15 : 437,832.22 = 134,249.19 : x
  2. Step 2: Convert to fraction form
    291,888.15/437,832.22 = 134,249.19/x
  3. Step 3: Cross multiply
    291,888.15x = 437,832.22 × 134,249.19
  4. Step 4: Simplify right side
    291,888.15x = 58,778,618,701.74
  5. Step 5: Solve for x
    x = 58,778,618,701.74/291,888.15
  6. Step 6: Final answer
    x = 201,373.78

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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.