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Finding the Fourth Proportional to 186,487.68, 279,733.48 and 149,284.25

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Solution

The fourth proportional to 186,487.68, 279,733.48 and 149,284.25 is: 223,927.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,487.68 : 279,733.48 = 149,284.25 : x
  2. Step 2: Convert to fraction form
    186,487.68/279,733.48 = 149,284.25/x
  3. Step 3: Cross multiply
    186,487.68x = 279,733.48 × 149,284.25
  4. Step 4: Simplify right side
    186,487.68x = 41,759,804,452.04
  5. Step 5: Solve for x
    x = 41,759,804,452.04/186,487.68
  6. Step 6: Final answer
    x = 223,927.95

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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.