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Finding the Fourth Proportional to 200,018.94, 276,040.62 and 119,449.86

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Solution

The fourth proportional to 200,018.94, 276,040.62 and 119,449.86 is: 164,849.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,018.94 : 276,040.62 = 119,449.86 : x
  2. Step 2: Convert to fraction form
    200,018.94/276,040.62 = 119,449.86/x
  3. Step 3: Cross multiply
    200,018.94x = 276,040.62 × 119,449.86
  4. Step 4: Simplify right side
    200,018.94x = 32,973,013,413.31
  5. Step 5: Solve for x
    x = 32,973,013,413.31/200,018.94
  6. Step 6: Final answer
    x = 164,849.46

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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.