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Finding the Fourth Proportional to 305,872.96, 458,793.24 and 95,486.80

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Solution

The fourth proportional to 305,872.96, 458,793.24 and 95,486.80 is: 143,225.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,872.96 : 458,793.24 = 95,486.80 : x
  2. Step 2: Convert to fraction form
    305,872.96/458,793.24 = 95,486.80/x
  3. Step 3: Cross multiply
    305,872.96x = 458,793.24 × 95,486.80
  4. Step 4: Simplify right side
    305,872.96x = 43,808,698,349.23
  5. Step 5: Solve for x
    x = 43,808,698,349.23/305,872.96
  6. Step 6: Final answer
    x = 143,225.14

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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.