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Finding the Fourth Proportional to 251,877.98, 347,591.06 and 137,154.84

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Solution

The fourth proportional to 251,877.98, 347,591.06 and 137,154.84 is: 189,273.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,877.98 : 347,591.06 = 137,154.84 : x
  2. Step 2: Convert to fraction form
    251,877.98/347,591.06 = 137,154.84/x
  3. Step 3: Cross multiply
    251,877.98x = 347,591.06 × 137,154.84
  4. Step 4: Simplify right side
    251,877.98x = 47,673,795,533.96
  5. Step 5: Solve for x
    x = 47,673,795,533.96/251,877.98
  6. Step 6: Final answer
    x = 189,273.38

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1.5x scale

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.