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Finding the Fourth Proportional to 251,270.63, 346,756.85 and 136,551.55

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Solution

The fourth proportional to 251,270.63, 346,756.85 and 136,551.55 is: 188,442.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,270.63 : 346,756.85 = 136,551.55 : x
  2. Step 2: Convert to fraction form
    251,270.63/346,756.85 = 136,551.55/x
  3. Step 3: Cross multiply
    251,270.63x = 346,756.85 × 136,551.55
  4. Step 4: Simplify right side
    251,270.63x = 47,350,185,340.62
  5. Step 5: Solve for x
    x = 47,350,185,340.62/251,270.63
  6. Step 6: Final answer
    x = 188,442.98

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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.