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Finding the Fourth Proportional to 186,656.74, 279,986.23 and 46,415.37

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Solution

The fourth proportional to 186,656.74, 279,986.23 and 46,415.37 is: 69,623.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,656.74 : 279,986.23 = 46,415.37 : x
  2. Step 2: Convert to fraction form
    186,656.74/279,986.23 = 46,415.37/x
  3. Step 3: Cross multiply
    186,656.74x = 279,986.23 × 46,415.37
  4. Step 4: Simplify right side
    186,656.74x = 12,995,663,294.37
  5. Step 5: Solve for x
    x = 12,995,663,294.37/186,656.74
  6. Step 6: Final answer
    x = 69,623.33

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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.