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Finding the Fourth Proportional to 193,314.26, 266,775.72 and 108,429.50

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Solution

The fourth proportional to 193,314.26, 266,775.72 and 108,429.50 is: 149,633.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,314.26 : 266,775.72 = 108,429.50 : x
  2. Step 2: Convert to fraction form
    193,314.26/266,775.72 = 108,429.50/x
  3. Step 3: Cross multiply
    193,314.26x = 266,775.72 × 108,429.50
  4. Step 4: Simplify right side
    193,314.26x = 28,926,357,931.74
  5. Step 5: Solve for x
    x = 28,926,357,931.74/193,314.26
  6. Step 6: Final answer
    x = 149,633.85

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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.