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Finding the Fourth Proportional to 186,624.69, 279,936.88 and 46,383.31

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Solution

The fourth proportional to 186,624.69, 279,936.88 and 46,383.31 is: 69,574.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,624.69 : 279,936.88 = 46,383.31 : x
  2. Step 2: Convert to fraction form
    186,624.69/279,936.88 = 46,383.31/x
  3. Step 3: Cross multiply
    186,624.69x = 279,936.88 × 46,383.31
  4. Step 4: Simplify right side
    186,624.69x = 12,984,399,319.44
  5. Step 5: Solve for x
    x = 12,984,399,319.44/186,624.69
  6. Step 6: Final answer
    x = 69,574.93

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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.