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Finding the Fourth Proportional to 142,880.68, 213,900.60 and 95,377.95

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Solution

The fourth proportional to 142,880.68, 213,900.60 and 95,377.95 is: 142,786.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,880.68 : 213,900.60 = 95,377.95 : x
  2. Step 2: Convert to fraction form
    142,880.68/213,900.60 = 95,377.95/x
  3. Step 3: Cross multiply
    142,880.68x = 213,900.60 × 95,377.95
  4. Step 4: Simplify right side
    142,880.68x = 20,401,400,552.94
  5. Step 5: Solve for x
    x = 20,401,400,552.94/142,880.68
  6. Step 6: Final answer
    x = 142,786.28

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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.