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Finding the Fourth Proportional to 258,116.94, 356,223.45 and 150,721.26

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Solution

The fourth proportional to 258,116.94, 356,223.45 and 150,721.26 is: 208,008.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,116.94 : 356,223.45 = 150,721.26 : x
  2. Step 2: Convert to fraction form
    258,116.94/356,223.45 = 150,721.26/x
  3. Step 3: Cross multiply
    258,116.94x = 356,223.45 × 150,721.26
  4. Step 4: Simplify right side
    258,116.94x = 53,690,447,225.55
  5. Step 5: Solve for x
    x = 53,690,447,225.55/258,116.94
  6. Step 6: Final answer
    x = 208,008.23

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1.5x scale

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.