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Finding the Fourth Proportional to 247,392, 341,400.96 and 134,214.84

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Solution

The fourth proportional to 247,392, 341,400.96 and 134,214.84 is: 185,216.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,392 : 341,400.96 = 134,214.84 : x
  2. Step 2: Convert to fraction form
    247,392/341,400.96 = 134,214.84/x
  3. Step 3: Cross multiply
    247,392x = 341,400.96 × 134,214.84
  4. Step 4: Simplify right side
    247,392x = 45,821,075,222.25
  5. Step 5: Solve for x
    x = 45,821,075,222.25/247,392
  6. Step 6: Final answer
    x = 185,216.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.