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Finding the Fourth Proportional to 250,790.49, 376,314.73 and 166,608.81

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Solution

The fourth proportional to 250,790.49, 376,314.73 and 166,608.81 is: 249,998.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,790.49 : 376,314.73 = 166,608.81 : x
  2. Step 2: Convert to fraction form
    250,790.49/376,314.73 = 166,608.81/x
  3. Step 3: Cross multiply
    250,790.49x = 376,314.73 × 166,608.81
  4. Step 4: Simplify right side
    250,790.49x = 62,697,348,934.25
  5. Step 5: Solve for x
    x = 62,697,348,934.25/250,790.49
  6. Step 6: Final answer
    x = 249,998.91

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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.