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Finding the Fourth Proportional to 78,888.03, 108,866.07 and 44,899.10

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Solution

The fourth proportional to 78,888.03, 108,866.07 and 44,899.10 is: 61,961.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,888.03 : 108,866.07 = 44,899.10 : x
  2. Step 2: Convert to fraction form
    78,888.03/108,866.07 = 44,899.10/x
  3. Step 3: Cross multiply
    78,888.03x = 108,866.07 × 44,899.10
  4. Step 4: Simplify right side
    78,888.03x = 4,887,988,563.54
  5. Step 5: Solve for x
    x = 4,887,988,563.54/78,888.03
  6. Step 6: Final answer
    x = 61,961.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.