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Finding the Fourth Proportional to 78,705.94, 118,024.07 and 22,533.25

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Solution

The fourth proportional to 78,705.94, 118,024.07 and 22,533.25 is: 33,789.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,705.94 : 118,024.07 = 22,533.25 : x
  2. Step 2: Convert to fraction form
    78,705.94/118,024.07 = 22,533.25/x
  3. Step 3: Cross multiply
    78,705.94x = 118,024.07 × 22,533.25
  4. Step 4: Simplify right side
    78,705.94x = 2,659,465,875.33
  5. Step 5: Solve for x
    x = 2,659,465,875.33/78,705.94
  6. Step 6: Final answer
    x = 33,789.90

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Why These Related Problems?

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