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Finding the Fourth Proportional to 169,408.72, 233,782.40 and 92,926.24

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Solution

The fourth proportional to 169,408.72, 233,782.40 and 92,926.24 is: 128,237.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,408.72 : 233,782.40 = 92,926.24 : x
  2. Step 2: Convert to fraction form
    169,408.72/233,782.40 = 92,926.24/x
  3. Step 3: Cross multiply
    169,408.72x = 233,782.40 × 92,926.24
  4. Step 4: Simplify right side
    169,408.72x = 21,724,519,410.18
  5. Step 5: Solve for x
    x = 21,724,519,410.18/169,408.72
  6. Step 6: Final answer
    x = 128,237.32

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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.