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Finding the Fourth Proportional to 248,967.60, 373,300.56 and 99,230.64

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Solution

The fourth proportional to 248,967.60, 373,300.56 and 99,230.64 is: 148,785.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,967.60 : 373,300.56 = 99,230.64 : x
  2. Step 2: Convert to fraction form
    248,967.60/373,300.56 = 99,230.64/x
  3. Step 3: Cross multiply
    248,967.60x = 373,300.56 × 99,230.64
  4. Step 4: Simplify right side
    248,967.60x = 37,042,853,481.16
  5. Step 5: Solve for x
    x = 37,042,853,481.16/248,967.60
  6. Step 6: Final answer
    x = 148,785.84

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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.