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Finding the Fourth Proportional to 186,505.49, 279,813.92 and 175,365.65

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Solution

The fourth proportional to 186,505.49, 279,813.92 and 175,365.65 is: 263,100.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,505.49 : 279,813.92 = 175,365.65 : x
  2. Step 2: Convert to fraction form
    186,505.49/279,813.92 = 175,365.65/x
  3. Step 3: Cross multiply
    186,505.49x = 279,813.92 × 175,365.65
  4. Step 4: Simplify right side
    186,505.49x = 49,069,749,959.85
  5. Step 5: Solve for x
    x = 49,069,749,959.85/186,505.49
  6. Step 6: Final answer
    x = 263,100.83

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1.5x scale

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.