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Finding the Fourth Proportional to 186,673.80, 279,621.90 and 186,673.80

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Solution

The fourth proportional to 186,673.80, 279,621.90 and 186,673.80 is: 279,621.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,673.80 : 279,621.90 = 186,673.80 : x
  2. Step 2: Convert to fraction form
    186,673.80/279,621.90 = 186,673.80/x
  3. Step 3: Cross multiply
    186,673.80x = 279,621.90 × 186,673.80
  4. Step 4: Simplify right side
    186,673.80x = 52,198,082,636.22
  5. Step 5: Solve for x
    x = 52,198,082,636.22/186,673.80
  6. Step 6: Final answer
    x = 279,621.90

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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.