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Finding the Fourth Proportional to 238,633.68, 357,859.53 and 105,441.24

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Solution

The fourth proportional to 238,633.68, 357,859.53 and 105,441.24 is: 158,121.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,633.68 : 357,859.53 = 105,441.24 : x
  2. Step 2: Convert to fraction form
    238,633.68/357,859.53 = 105,441.24/x
  3. Step 3: Cross multiply
    238,633.68x = 357,859.53 × 105,441.24
  4. Step 4: Simplify right side
    238,633.68x = 37,733,152,589.02
  5. Step 5: Solve for x
    x = 37,733,152,589.02/238,633.68
  6. Step 6: Final answer
    x = 158,121.66

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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.