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Finding the Fourth Proportional to 250,592.64, 345,882.60 and 155,042.88

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Solution

The fourth proportional to 250,592.64, 345,882.60 and 155,042.88 is: 213,999.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,592.64 : 345,882.60 = 155,042.88 : x
  2. Step 2: Convert to fraction form
    250,592.64/345,882.60 = 155,042.88/x
  3. Step 3: Cross multiply
    250,592.64x = 345,882.60 × 155,042.88
  4. Step 4: Simplify right side
    250,592.64x = 53,626,634,445.89
  5. Step 5: Solve for x
    x = 53,626,634,445.89/250,592.64
  6. Step 6: Final answer
    x = 213,999.24

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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.