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Finding the Fourth Proportional to 78,926.94, 118,346.40 and 32,125.14

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Solution

The fourth proportional to 78,926.94, 118,346.40 and 32,125.14 is: 48,169.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,926.94 : 118,346.40 = 32,125.14 : x
  2. Step 2: Convert to fraction form
    78,926.94/118,346.40 = 32,125.14/x
  3. Step 3: Cross multiply
    78,926.94x = 118,346.40 × 32,125.14
  4. Step 4: Simplify right side
    78,926.94x = 3,801,894,668.50
  5. Step 5: Solve for x
    x = 3,801,894,668.50/78,926.94
  6. Step 6: Final answer
    x = 48,169.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.