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Finding the Fourth Proportional to 248,750.40, 372,906.90 and 148,950.30

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Solution

The fourth proportional to 248,750.40, 372,906.90 and 148,950.30 is: 223,294.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,750.40 : 372,906.90 = 148,950.30 : x
  2. Step 2: Convert to fraction form
    248,750.40/372,906.90 = 148,950.30/x
  3. Step 3: Cross multiply
    248,750.40x = 372,906.90 × 148,950.30
  4. Step 4: Simplify right side
    248,750.40x = 55,544,594,627.07
  5. Step 5: Solve for x
    x = 55,544,594,627.07/248,750.40
  6. Step 6: Final answer
    x = 223,294.49

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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.