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Finding the Fourth Proportional to 248,795.70, 373,193.55 and 61,807.20

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Solution

The fourth proportional to 248,795.70, 373,193.55 and 61,807.20 is: 92,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,795.70 : 373,193.55 = 61,807.20 : x
  2. Step 2: Convert to fraction form
    248,795.70/373,193.55 = 61,807.20/x
  3. Step 3: Cross multiply
    248,795.70x = 373,193.55 × 61,807.20
  4. Step 4: Simplify right side
    248,795.70x = 23,066,048,383.56
  5. Step 5: Solve for x
    x = 23,066,048,383.56/248,795.70
  6. Step 6: Final answer
    x = 92,710.80

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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.