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Finding the Fourth Proportional to 171,810, 237,201.48 and 112,297.68

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Solution

The fourth proportional to 171,810, 237,201.48 and 112,297.68 is: 155,038.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,810 : 237,201.48 = 112,297.68 : x
  2. Step 2: Convert to fraction form
    171,810/237,201.48 = 112,297.68/x
  3. Step 3: Cross multiply
    171,810x = 237,201.48 × 112,297.68
  4. Step 4: Simplify right side
    171,810x = 26,637,175,896.57
  5. Step 5: Solve for x
    x = 26,637,175,896.57/171,810
  6. Step 6: Final answer
    x = 155,038.57

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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.