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Finding the Fourth Proportional to 254,190.34, 350,783 and 141,013.09

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Solution

The fourth proportional to 254,190.34, 350,783 and 141,013.09 is: 194,598.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,190.34 : 350,783 = 141,013.09 : x
  2. Step 2: Convert to fraction form
    254,190.34/350,783 = 141,013.09/x
  3. Step 3: Cross multiply
    254,190.34x = 350,783 × 141,013.09
  4. Step 4: Simplify right side
    254,190.34x = 49,464,994,749.47
  5. Step 5: Solve for x
    x = 49,464,994,749.47/254,190.34
  6. Step 6: Final answer
    x = 194,598.25

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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.