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Finding the Fourth Proportional to 186,992.93, 280,489.39 and 46,751.55

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Solution

The fourth proportional to 186,992.93, 280,489.39 and 46,751.55 is: 70,127.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,992.93 : 280,489.39 = 46,751.55 : x
  2. Step 2: Convert to fraction form
    186,992.93/280,489.39 = 46,751.55/x
  3. Step 3: Cross multiply
    186,992.93x = 280,489.39 × 46,751.55
  4. Step 4: Simplify right side
    186,992.93x = 13,113,315,267.69
  5. Step 5: Solve for x
    x = 13,113,315,267.69/186,992.93
  6. Step 6: Final answer
    x = 70,127.33

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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.