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Finding the Fourth Proportional to 79,584, 109,841.52 and 45,615.26

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Solution

The fourth proportional to 79,584, 109,841.52 and 45,615.26 is: 62,957.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,584 : 109,841.52 = 45,615.26 : x
  2. Step 2: Convert to fraction form
    79,584/109,841.52 = 45,615.26/x
  3. Step 3: Cross multiply
    79,584x = 109,841.52 × 45,615.26
  4. Step 4: Simplify right side
    79,584x = 5,010,448,858.86
  5. Step 5: Solve for x
    x = 5,010,448,858.86/79,584
  6. Step 6: Final answer
    x = 62,957.99

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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.