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Finding the Fourth Proportional to 357,173.61, 492,929.83 and 196,055.95

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Solution

The fourth proportional to 357,173.61, 492,929.83 and 196,055.95 is: 270,573.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,173.61 : 492,929.83 = 196,055.95 : x
  2. Step 2: Convert to fraction form
    357,173.61/492,929.83 = 196,055.95/x
  3. Step 3: Cross multiply
    357,173.61x = 492,929.83 × 196,055.95
  4. Step 4: Simplify right side
    357,173.61x = 96,641,826,103.99
  5. Step 5: Solve for x
    x = 96,641,826,103.99/357,173.61
  6. Step 6: Final answer
    x = 270,573.81

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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.