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Finding the Fourth Proportional to 248,793.68, 373,189.56 and 207,152.72

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Solution

The fourth proportional to 248,793.68, 373,189.56 and 207,152.72 is: 310,728.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,793.68 : 373,189.56 = 207,152.72 : x
  2. Step 2: Convert to fraction form
    248,793.68/373,189.56 = 207,152.72/x
  3. Step 3: Cross multiply
    248,793.68x = 373,189.56 × 207,152.72
  4. Step 4: Simplify right side
    248,793.68x = 77,307,232,429.60
  5. Step 5: Solve for x
    x = 77,307,232,429.60/248,793.68
  6. Step 6: Final answer
    x = 310,728.28

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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.