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Finding the Fourth Proportional to 186,645.70, 279,968.55 and 183,535.30

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Solution

The fourth proportional to 186,645.70, 279,968.55 and 183,535.30 is: 275,302.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,645.70 : 279,968.55 = 183,535.30 : x
  2. Step 2: Convert to fraction form
    186,645.70/279,968.55 = 183,535.30/x
  3. Step 3: Cross multiply
    186,645.70x = 279,968.55 × 183,535.30
  4. Step 4: Simplify right side
    186,645.70x = 51,384,111,814.82
  5. Step 5: Solve for x
    x = 51,384,111,814.82/186,645.70
  6. Step 6: Final answer
    x = 275,302.95

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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.