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Finding the Fourth Proportional to 78,339.25, 108,096.75 and 44,798.77

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Solution

The fourth proportional to 78,339.25, 108,096.75 and 44,798.77 is: 61,815.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,339.25 : 108,096.75 = 44,798.77 : x
  2. Step 2: Convert to fraction form
    78,339.25/108,096.75 = 44,798.77/x
  3. Step 3: Cross multiply
    78,339.25x = 108,096.75 × 44,798.77
  4. Step 4: Simplify right side
    78,339.25x = 4,842,601,441.00
  5. Step 5: Solve for x
    x = 4,842,601,441.00/78,339.25
  6. Step 6: Final answer
    x = 61,815.77

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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.