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Finding the Fourth Proportional to 186,649.55, 279,975.39 and 46,408.17

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Solution

The fourth proportional to 186,649.55, 279,975.39 and 46,408.17 is: 69,612.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,649.55 : 279,975.39 = 46,408.17 : x
  2. Step 2: Convert to fraction form
    186,649.55/279,975.39 = 46,408.17/x
  3. Step 3: Cross multiply
    186,649.55x = 279,975.39 × 46,408.17
  4. Step 4: Simplify right side
    186,649.55x = 12,993,145,494.94
  5. Step 5: Solve for x
    x = 12,993,145,494.94/186,649.55
  6. Step 6: Final answer
    x = 69,612.52

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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.