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Finding the Fourth Proportional to 253,876.62, 350,349.93 and 140,699.37

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Solution

The fourth proportional to 253,876.62, 350,349.93 and 140,699.37 is: 194,165.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,876.62 : 350,349.93 = 140,699.37 : x
  2. Step 2: Convert to fraction form
    253,876.62/350,349.93 = 140,699.37/x
  3. Step 3: Cross multiply
    253,876.62x = 350,349.93 × 140,699.37
  4. Step 4: Simplify right side
    253,876.62x = 49,294,014,430.54
  5. Step 5: Solve for x
    x = 49,294,014,430.54/253,876.62
  6. Step 6: Final answer
    x = 194,165.24

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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.