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Finding the Fourth Proportional to 235,491.35, 353,187.56 and 77,682.83

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Solution

The fourth proportional to 235,491.35, 353,187.56 and 77,682.83 is: 116,507.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,491.35 : 353,187.56 = 77,682.83 : x
  2. Step 2: Convert to fraction form
    235,491.35/353,187.56 = 77,682.83/x
  3. Step 3: Cross multiply
    235,491.35x = 353,187.56 × 77,682.83
  4. Step 4: Simplify right side
    235,491.35x = 27,436,607,027.24
  5. Step 5: Solve for x
    x = 27,436,607,027.24/235,491.35
  6. Step 6: Final answer
    x = 116,507.92

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1.5x scale

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.