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Finding the Fourth Proportional to 79,076.54, 118,483.59 and 55,653.77

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Solution

The fourth proportional to 79,076.54, 118,483.59 and 55,653.77 is: 83,388.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,076.54 : 118,483.59 = 55,653.77 : x
  2. Step 2: Convert to fraction form
    79,076.54/118,483.59 = 55,653.77/x
  3. Step 3: Cross multiply
    79,076.54x = 118,483.59 × 55,653.77
  4. Step 4: Simplify right side
    79,076.54x = 6,594,058,466.63
  5. Step 5: Solve for x
    x = 6,594,058,466.63/79,076.54
  6. Step 6: Final answer
    x = 83,388.30

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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.