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Finding the Fourth Proportional to 248,580.34, 373,020.42 and 88,644.12

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Solution

The fourth proportional to 248,580.34, 373,020.42 and 88,644.12 is: 133,019.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,580.34 : 373,020.42 = 88,644.12 : x
  2. Step 2: Convert to fraction form
    248,580.34/373,020.42 = 88,644.12/x
  3. Step 3: Cross multiply
    248,580.34x = 373,020.42 × 88,644.12
  4. Step 4: Simplify right side
    248,580.34x = 33,066,067,156.82
  5. Step 5: Solve for x
    x = 33,066,067,156.82/248,580.34
  6. Step 6: Final answer
    x = 133,019.64

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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.