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Finding the Fourth Proportional to 186,283.58, 279,205.34 and 79,636.34

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Solution

The fourth proportional to 186,283.58, 279,205.34 and 79,636.34 is: 119,360.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,283.58 : 279,205.34 = 79,636.34 : x
  2. Step 2: Convert to fraction form
    186,283.58/279,205.34 = 79,636.34/x
  3. Step 3: Cross multiply
    186,283.58x = 279,205.34 × 79,636.34
  4. Step 4: Simplify right side
    186,283.58x = 22,234,890,987.87
  5. Step 5: Solve for x
    x = 22,234,890,987.87/186,283.58
  6. Step 6: Final answer
    x = 119,360.44

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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.