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Finding the Fourth Proportional to 348,709, 523,141.26 and 127,093

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Solution

The fourth proportional to 348,709, 523,141.26 and 127,093 is: 190,667.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,709 : 523,141.26 = 127,093 : x
  2. Step 2: Convert to fraction form
    348,709/523,141.26 = 127,093/x
  3. Step 3: Cross multiply
    348,709x = 523,141.26 × 127,093
  4. Step 4: Simplify right side
    348,709x = 66,487,592,157.18
  5. Step 5: Solve for x
    x = 66,487,592,157.18/348,709
  6. Step 6: Final answer
    x = 190,667.84

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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.