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Finding the Fourth Proportional to 322,675.86, 484,039.35 and 98,055.93

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Solution

The fourth proportional to 322,675.86, 484,039.35 and 98,055.93 is: 147,091.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,675.86 : 484,039.35 = 98,055.93 : x
  2. Step 2: Convert to fraction form
    322,675.86/484,039.35 = 98,055.93/x
  3. Step 3: Cross multiply
    322,675.86x = 484,039.35 × 98,055.93
  4. Step 4: Simplify right side
    322,675.86x = 47,462,928,620.85
  5. Step 5: Solve for x
    x = 47,462,928,620.85/322,675.86
  6. Step 6: Final answer
    x = 147,091.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.