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Finding the Fourth Proportional to 186,769.80, 280,154.70 and 53,654.40

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Solution

The fourth proportional to 186,769.80, 280,154.70 and 53,654.40 is: 80,481.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,769.80 : 280,154.70 = 53,654.40 : x
  2. Step 2: Convert to fraction form
    186,769.80/280,154.70 = 53,654.40/x
  3. Step 3: Cross multiply
    186,769.80x = 280,154.70 × 53,654.40
  4. Step 4: Simplify right side
    186,769.80x = 15,031,532,335.68
  5. Step 5: Solve for x
    x = 15,031,532,335.68/186,769.80
  6. Step 6: Final answer
    x = 80,481.60

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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.