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Finding the Fourth Proportional to 245,249.76, 367,900.56 and 104,970.72

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Solution

The fourth proportional to 245,249.76, 367,900.56 and 104,970.72 is: 157,467.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,249.76 : 367,900.56 = 104,970.72 : x
  2. Step 2: Convert to fraction form
    245,249.76/367,900.56 = 104,970.72/x
  3. Step 3: Cross multiply
    245,249.76x = 367,900.56 × 104,970.72
  4. Step 4: Simplify right side
    245,249.76x = 38,618,786,671.60
  5. Step 5: Solve for x
    x = 38,618,786,671.60/245,249.76
  6. Step 6: Final answer
    x = 157,467.17

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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.