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Finding the Fourth Proportional to 254,980.98, 351,899.57 and 146,099.76

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Solution

The fourth proportional to 254,980.98, 351,899.57 and 146,099.76 is: 201,632.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,980.98 : 351,899.57 = 146,099.76 : x
  2. Step 2: Convert to fraction form
    254,980.98/351,899.57 = 146,099.76/x
  3. Step 3: Cross multiply
    254,980.98x = 351,899.57 × 146,099.76
  4. Step 4: Simplify right side
    254,980.98x = 51,412,441,990.60
  5. Step 5: Solve for x
    x = 51,412,441,990.60/254,980.98
  6. Step 6: Final answer
    x = 201,632.46

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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.