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Finding the Fourth Proportional to 254,061.64, 350,619.08 and 140,881.96

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Solution

The fourth proportional to 254,061.64, 350,619.08 and 140,881.96 is: 194,424.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,061.64 : 350,619.08 = 140,881.96 : x
  2. Step 2: Convert to fraction form
    254,061.64/350,619.08 = 140,881.96/x
  3. Step 3: Cross multiply
    254,061.64x = 350,619.08 × 140,881.96
  4. Step 4: Simplify right side
    254,061.64x = 49,395,903,203.80
  5. Step 5: Solve for x
    x = 49,395,903,203.80/254,061.64
  6. Step 6: Final answer
    x = 194,424.88

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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.