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Finding the Fourth Proportional to 251,066.58, 346,470.81 and 136,344.42

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Solution

The fourth proportional to 251,066.58, 346,470.81 and 136,344.42 is: 188,154.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,066.58 : 346,470.81 = 136,344.42 : x
  2. Step 2: Convert to fraction form
    251,066.58/346,470.81 = 136,344.42/x
  3. Step 3: Cross multiply
    251,066.58x = 346,470.81 × 136,344.42
  4. Step 4: Simplify right side
    251,066.58x = 47,239,361,636.38
  5. Step 5: Solve for x
    x = 47,239,361,636.38/251,066.58
  6. Step 6: Final answer
    x = 188,154.72

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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.