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Finding the Fourth Proportional to 186,655.65, 280,114.70 and 168,809.73

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Solution

The fourth proportional to 186,655.65, 280,114.70 and 168,809.73 is: 253,333.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,655.65 : 280,114.70 = 168,809.73 : x
  2. Step 2: Convert to fraction form
    186,655.65/280,114.70 = 168,809.73/x
  3. Step 3: Cross multiply
    186,655.65x = 280,114.70 × 168,809.73
  4. Step 4: Simplify right side
    186,655.65x = 47,286,086,876.03
  5. Step 5: Solve for x
    x = 47,286,086,876.03/186,655.65
  6. Step 6: Final answer
    x = 253,333.27

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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.