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Finding the Fourth Proportional to 248,592.80, 373,018.80 and 108,365.60

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Solution

The fourth proportional to 248,592.80, 373,018.80 and 108,365.60 is: 162,604.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,592.80 : 373,018.80 = 108,365.60 : x
  2. Step 2: Convert to fraction form
    248,592.80/373,018.80 = 108,365.60/x
  3. Step 3: Cross multiply
    248,592.80x = 373,018.80 × 108,365.60
  4. Step 4: Simplify right side
    248,592.80x = 40,422,406,073.28
  5. Step 5: Solve for x
    x = 40,422,406,073.28/248,592.80
  6. Step 6: Final answer
    x = 162,604.89

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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.