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Finding the Fourth Proportional to 186,641.84, 279,960.33 and 46,401.68

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Solution

The fourth proportional to 186,641.84, 279,960.33 and 46,401.68 is: 69,601.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,641.84 : 279,960.33 = 46,401.68 : x
  2. Step 2: Convert to fraction form
    186,641.84/279,960.33 = 46,401.68/x
  3. Step 3: Cross multiply
    186,641.84x = 279,960.33 × 46,401.68
  4. Step 4: Simplify right side
    186,641.84x = 12,990,629,645.35
  5. Step 5: Solve for x
    x = 12,990,629,645.35/186,641.84
  6. Step 6: Final answer
    x = 69,601.92

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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.