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Finding the Fourth Proportional to 262,036.60, 392,774.63 and 119,668.54

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Solution

The fourth proportional to 262,036.60, 392,774.63 and 119,668.54 is: 179,374.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,036.60 : 392,774.63 = 119,668.54 : x
  2. Step 2: Convert to fraction form
    262,036.60/392,774.63 = 119,668.54/x
  3. Step 3: Cross multiply
    262,036.60x = 392,774.63 × 119,668.54
  4. Step 4: Simplify right side
    262,036.60x = 47,002,766,350.45
  5. Step 5: Solve for x
    x = 47,002,766,350.45/262,036.60
  6. Step 6: Final answer
    x = 179,374.81

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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.