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Finding the Fourth Proportional to 191,023.60, 263,530.88 and 119,354.80

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Solution

The fourth proportional to 191,023.60, 263,530.88 and 119,354.80 is: 164,658.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,023.60 : 263,530.88 = 119,354.80 : x
  2. Step 2: Convert to fraction form
    191,023.60/263,530.88 = 119,354.80/x
  3. Step 3: Cross multiply
    191,023.60x = 263,530.88 × 119,354.80
  4. Step 4: Simplify right side
    191,023.60x = 31,453,675,476.22
  5. Step 5: Solve for x
    x = 31,453,675,476.22/191,023.60
  6. Step 6: Final answer
    x = 164,658.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.