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Finding the Fourth Proportional to 78,750, 118,144.44 and 23,346

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Solution

The fourth proportional to 78,750, 118,144.44 and 23,346 is: 35,024.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,750 : 118,144.44 = 23,346 : x
  2. Step 2: Convert to fraction form
    78,750/118,144.44 = 23,346/x
  3. Step 3: Cross multiply
    78,750x = 118,144.44 × 23,346
  4. Step 4: Simplify right side
    78,750x = 2,758,200,096.24
  5. Step 5: Solve for x
    x = 2,758,200,096.24/78,750
  6. Step 6: Final answer
    x = 35,024.76

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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.