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Finding the Fourth Proportional to 251,488.94, 346,994 and 159,574.72

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Solution

The fourth proportional to 251,488.94, 346,994 and 159,574.72 is: 220,174.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,488.94 : 346,994 = 159,574.72 : x
  2. Step 2: Convert to fraction form
    251,488.94/346,994 = 159,574.72/x
  3. Step 3: Cross multiply
    251,488.94x = 346,994 × 159,574.72
  4. Step 4: Simplify right side
    251,488.94x = 55,371,470,391.68
  5. Step 5: Solve for x
    x = 55,371,470,391.68/251,488.94
  6. Step 6: Final answer
    x = 220,174.57

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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.