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Finding the Fourth Proportional to 258,028.16, 356,112.92 and 144,850.92

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Solution

The fourth proportional to 258,028.16, 356,112.92 and 144,850.92 is: 199,913.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,028.16 : 356,112.92 = 144,850.92 : x
  2. Step 2: Convert to fraction form
    258,028.16/356,112.92 = 144,850.92/x
  3. Step 3: Cross multiply
    258,028.16x = 356,112.92 × 144,850.92
  4. Step 4: Simplify right side
    258,028.16x = 51,583,284,085.89
  5. Step 5: Solve for x
    x = 51,583,284,085.89/258,028.16
  6. Step 6: Final answer
    x = 199,913.39

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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.