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Finding the Fourth Proportional to 367,081.79, 549,970.90 and 153,379.25

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Solution

The fourth proportional to 367,081.79, 549,970.90 and 153,379.25 is: 229,796.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,081.79 : 549,970.90 = 153,379.25 : x
  2. Step 2: Convert to fraction form
    367,081.79/549,970.90 = 153,379.25/x
  3. Step 3: Cross multiply
    367,081.79x = 549,970.90 × 153,379.25
  4. Step 4: Simplify right side
    367,081.79x = 84,354,123,092.91
  5. Step 5: Solve for x
    x = 84,354,123,092.91/367,081.79
  6. Step 6: Final answer
    x = 229,796.54

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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.