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Finding the Fourth Proportional to 248,612.96, 372,917.44 and 148,800.80

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Solution

The fourth proportional to 248,612.96, 372,917.44 and 148,800.80 is: 223,200.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,612.96 : 372,917.44 = 148,800.80 : x
  2. Step 2: Convert to fraction form
    248,612.96/372,917.44 = 148,800.80/x
  3. Step 3: Cross multiply
    248,612.96x = 372,917.44 × 148,800.80
  4. Step 4: Simplify right side
    248,612.96x = 55,490,413,405.95
  5. Step 5: Solve for x
    x = 55,490,413,405.95/248,612.96
  6. Step 6: Final answer
    x = 223,200.00

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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.