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Finding the Fourth Proportional to 194,064.42, 291,129.84 and 88,892.40

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Solution

The fourth proportional to 194,064.42, 291,129.84 and 88,892.40 is: 133,353.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,064.42 : 291,129.84 = 88,892.40 : x
  2. Step 2: Convert to fraction form
    194,064.42/291,129.84 = 88,892.40/x
  3. Step 3: Cross multiply
    194,064.42x = 291,129.84 × 88,892.40
  4. Step 4: Simplify right side
    194,064.42x = 25,879,230,189.22
  5. Step 5: Solve for x
    x = 25,879,230,189.22/194,064.42
  6. Step 6: Final answer
    x = 133,353.81

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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.