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Finding the Fourth Proportional to 250,568.64, 345,790.08 and 152,450.64

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Solution

The fourth proportional to 250,568.64, 345,790.08 and 152,450.64 is: 210,385.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,568.64 : 345,790.08 = 152,450.64 : x
  2. Step 2: Convert to fraction form
    250,568.64/345,790.08 = 152,450.64/x
  3. Step 3: Cross multiply
    250,568.64x = 345,790.08 × 152,450.64
  4. Step 4: Simplify right side
    250,568.64x = 52,715,919,001.65
  5. Step 5: Solve for x
    x = 52,715,919,001.65/250,568.64
  6. Step 6: Final answer
    x = 210,385.14

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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.