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Finding the Fourth Proportional to 248,894.88, 373,225.56 and 91,012.92

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Solution

The fourth proportional to 248,894.88, 373,225.56 and 91,012.92 is: 136,476.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,894.88 : 373,225.56 = 91,012.92 : x
  2. Step 2: Convert to fraction form
    248,894.88/373,225.56 = 91,012.92/x
  3. Step 3: Cross multiply
    248,894.88x = 373,225.56 × 91,012.92
  4. Step 4: Simplify right side
    248,894.88x = 33,968,348,034.24
  5. Step 5: Solve for x
    x = 33,968,348,034.24/248,894.88
  6. Step 6: Final answer
    x = 136,476.68

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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.