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Finding the Fourth Proportional to 250,852, 346,175.99 and 143,424.28

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Solution

The fourth proportional to 250,852, 346,175.99 and 143,424.28 is: 197,925.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,852 : 346,175.99 = 143,424.28 : x
  2. Step 2: Convert to fraction form
    250,852/346,175.99 = 143,424.28/x
  3. Step 3: Cross multiply
    250,852x = 346,175.99 × 143,424.28
  4. Step 4: Simplify right side
    250,852x = 49,650,042,119.04
  5. Step 5: Solve for x
    x = 49,650,042,119.04/250,852
  6. Step 6: Final answer
    x = 197,925.64

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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.