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Finding the Fourth Proportional to 245,256.70, 367,690.65 and 134,448.70

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Solution

The fourth proportional to 245,256.70, 367,690.65 and 134,448.70 is: 201,566.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,256.70 : 367,690.65 = 134,448.70 : x
  2. Step 2: Convert to fraction form
    245,256.70/367,690.65 = 134,448.70/x
  3. Step 3: Cross multiply
    245,256.70x = 367,690.65 × 134,448.70
  4. Step 4: Simplify right side
    245,256.70x = 49,435,529,894.66
  5. Step 5: Solve for x
    x = 49,435,529,894.66/245,256.70
  6. Step 6: Final answer
    x = 201,566.48

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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.