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Finding the Fourth Proportional to 186,401, 279,603.66 and 46,160.84

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Solution

The fourth proportional to 186,401, 279,603.66 and 46,160.84 is: 69,241.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,401 : 279,603.66 = 46,160.84 : x
  2. Step 2: Convert to fraction form
    186,401/279,603.66 = 46,160.84/x
  3. Step 3: Cross multiply
    186,401x = 279,603.66 × 46,160.84
  4. Step 4: Simplify right side
    186,401x = 12,906,739,812.67
  5. Step 5: Solve for x
    x = 12,906,739,812.67/186,401
  6. Step 6: Final answer
    x = 69,241.79

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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.