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Finding the Fourth Proportional to 247,254, 370,847.79 and 69,775.26

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Solution

The fourth proportional to 247,254, 370,847.79 and 69,775.26 is: 104,653.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,254 : 370,847.79 = 69,775.26 : x
  2. Step 2: Convert to fraction form
    247,254/370,847.79 = 69,775.26/x
  3. Step 3: Cross multiply
    247,254x = 370,847.79 × 69,775.26
  4. Step 4: Simplify right side
    247,254x = 25,876,000,967.68
  5. Step 5: Solve for x
    x = 25,876,000,967.68/247,254
  6. Step 6: Final answer
    x = 104,653.52

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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.