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Finding the Fourth Proportional to 234,449.51, 351,674.19 and 56,955.29

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Solution

The fourth proportional to 234,449.51, 351,674.19 and 56,955.29 is: 85,432.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,449.51 : 351,674.19 = 56,955.29 : x
  2. Step 2: Convert to fraction form
    234,449.51/351,674.19 = 56,955.29/x
  3. Step 3: Cross multiply
    234,449.51x = 351,674.19 × 56,955.29
  4. Step 4: Simplify right side
    234,449.51x = 20,029,703,718.59
  5. Step 5: Solve for x
    x = 20,029,703,718.59/234,449.51
  6. Step 6: Final answer
    x = 85,432.91

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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.