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Finding the Fourth Proportional to 254,418, 351,079.02 and 141,231.84

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Solution

The fourth proportional to 254,418, 351,079.02 and 141,231.84 is: 194,890.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,418 : 351,079.02 = 141,231.84 : x
  2. Step 2: Convert to fraction form
    254,418/351,079.02 = 141,231.84/x
  3. Step 3: Cross multiply
    254,418x = 351,079.02 × 141,231.84
  4. Step 4: Simplify right side
    254,418x = 49,583,535,980.00
  5. Step 5: Solve for x
    x = 49,583,535,980.00/254,418
  6. Step 6: Final answer
    x = 194,890.05

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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.