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Finding the Fourth Proportional to 79,055.63, 118,591.74 and 25,751.76

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Solution

The fourth proportional to 79,055.63, 118,591.74 and 25,751.76 is: 38,630.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,055.63 : 118,591.74 = 25,751.76 : x
  2. Step 2: Convert to fraction form
    79,055.63/118,591.74 = 25,751.76/x
  3. Step 3: Cross multiply
    79,055.63x = 118,591.74 × 25,751.76
  4. Step 4: Simplify right side
    79,055.63x = 3,053,946,026.46
  5. Step 5: Solve for x
    x = 3,053,946,026.46/79,055.63
  6. Step 6: Final answer
    x = 38,630.34

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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.