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Finding the Fourth Proportional to 251,159.73, 346,594.41 and 143,722.89

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Solution

The fourth proportional to 251,159.73, 346,594.41 and 143,722.89 is: 198,334.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,159.73 : 346,594.41 = 143,722.89 : x
  2. Step 2: Convert to fraction form
    251,159.73/346,594.41 = 143,722.89/x
  3. Step 3: Cross multiply
    251,159.73x = 346,594.41 × 143,722.89
  4. Step 4: Simplify right side
    251,159.73x = 49,813,550,263.04
  5. Step 5: Solve for x
    x = 49,813,550,263.04/251,159.73
  6. Step 6: Final answer
    x = 198,334.14

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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.