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Finding the Fourth Proportional to 79,173.62, 118,595.18 and 47,483.18

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Solution

The fourth proportional to 79,173.62, 118,595.18 and 47,483.18 is: 71,125.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,173.62 : 118,595.18 = 47,483.18 : x
  2. Step 2: Convert to fraction form
    79,173.62/118,595.18 = 47,483.18/x
  3. Step 3: Cross multiply
    79,173.62x = 118,595.18 × 47,483.18
  4. Step 4: Simplify right side
    79,173.62x = 5,631,276,279.07
  5. Step 5: Solve for x
    x = 5,631,276,279.07/79,173.62
  6. Step 6: Final answer
    x = 71,125.66

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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.