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Finding the Fourth Proportional to 171,422.60, 236,602.53 and 114,064.29

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Solution

The fourth proportional to 171,422.60, 236,602.53 and 114,064.29 is: 157,434.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,422.60 : 236,602.53 = 114,064.29 : x
  2. Step 2: Convert to fraction form
    171,422.60/236,602.53 = 114,064.29/x
  3. Step 3: Cross multiply
    171,422.60x = 236,602.53 × 114,064.29
  4. Step 4: Simplify right side
    171,422.60x = 26,987,899,596.65
  5. Step 5: Solve for x
    x = 26,987,899,596.65/171,422.60
  6. Step 6: Final answer
    x = 157,434.90

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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.