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Finding the Fourth Proportional to 248,794.90, 373,338.15 and 91,039.30

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Solution

The fourth proportional to 248,794.90, 373,338.15 and 91,039.30 is: 136,612.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,794.90 : 373,338.15 = 91,039.30 : x
  2. Step 2: Convert to fraction form
    248,794.90/373,338.15 = 91,039.30/x
  3. Step 3: Cross multiply
    248,794.90x = 373,338.15 × 91,039.30
  4. Step 4: Simplify right side
    248,794.90x = 33,988,443,839.30
  5. Step 5: Solve for x
    x = 33,988,443,839.30/248,794.90
  6. Step 6: Final answer
    x = 136,612.30

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1.5x scale

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.