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Finding the Fourth Proportional to 346,750.98, 519,978.78 and 136,241.25

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Solution

The fourth proportional to 346,750.98, 519,978.78 and 136,241.25 is: 204,303.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,750.98 : 519,978.78 = 136,241.25 : x
  2. Step 2: Convert to fraction form
    346,750.98/519,978.78 = 136,241.25/x
  3. Step 3: Cross multiply
    346,750.98x = 519,978.78 × 136,241.25
  4. Step 4: Simplify right side
    346,750.98x = 70,842,558,960.68
  5. Step 5: Solve for x
    x = 70,842,558,960.68/346,750.98
  6. Step 6: Final answer
    x = 204,303.85

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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.