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Finding the Fourth Proportional to 254,337.87, 351,022.82 and 152,367.68

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Solution

The fourth proportional to 254,337.87, 351,022.82 and 152,367.68 is: 210,289.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,337.87 : 351,022.82 = 152,367.68 : x
  2. Step 2: Convert to fraction form
    254,337.87/351,022.82 = 152,367.68/x
  3. Step 3: Cross multiply
    254,337.87x = 351,022.82 × 152,367.68
  4. Step 4: Simplify right side
    254,337.87x = 53,484,532,826.18
  5. Step 5: Solve for x
    x = 53,484,532,826.18/254,337.87
  6. Step 6: Final answer
    x = 210,289.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.