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Finding the Fourth Proportional to 245,363.70, 367,851.15 and 134,555.70

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Solution

The fourth proportional to 245,363.70, 367,851.15 and 134,555.70 is: 201,726.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,363.70 : 367,851.15 = 134,555.70 : x
  2. Step 2: Convert to fraction form
    245,363.70/367,851.15 = 134,555.70/x
  3. Step 3: Cross multiply
    245,363.70x = 367,851.15 × 134,555.70
  4. Step 4: Simplify right side
    245,363.70x = 49,496,468,984.06
  5. Step 5: Solve for x
    x = 49,496,468,984.06/245,363.70
  6. Step 6: Final answer
    x = 201,726.94

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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.