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Finding the Fourth Proportional to 250,084.98, 375,164.36 and 72,568.91

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Solution

The fourth proportional to 250,084.98, 375,164.36 and 72,568.91 is: 108,864.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,084.98 : 375,164.36 = 72,568.91 : x
  2. Step 2: Convert to fraction form
    250,084.98/375,164.36 = 72,568.91/x
  3. Step 3: Cross multiply
    250,084.98x = 375,164.36 × 72,568.91
  4. Step 4: Simplify right side
    250,084.98x = 27,225,268,676.05
  5. Step 5: Solve for x
    x = 27,225,268,676.05/250,084.98
  6. Step 6: Final answer
    x = 108,864.07

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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.