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Finding the Fourth Proportional to 210,381.24, 315,664.34 and 110,518.24

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Solution

The fourth proportional to 210,381.24, 315,664.34 and 110,518.24 is: 165,825.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,381.24 : 315,664.34 = 110,518.24 : x
  2. Step 2: Convert to fraction form
    210,381.24/315,664.34 = 110,518.24/x
  3. Step 3: Cross multiply
    210,381.24x = 315,664.34 × 110,518.24
  4. Step 4: Simplify right side
    210,381.24x = 34,886,667,287.56
  5. Step 5: Solve for x
    x = 34,886,667,287.56/210,381.24
  6. Step 6: Final answer
    x = 165,825.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.