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Finding the Fourth Proportional to 186,674.30, 280,011.45 and 164,512.70

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Solution

The fourth proportional to 186,674.30, 280,011.45 and 164,512.70 is: 246,769.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,674.30 : 280,011.45 = 164,512.70 : x
  2. Step 2: Convert to fraction form
    186,674.30/280,011.45 = 164,512.70/x
  3. Step 3: Cross multiply
    186,674.30x = 280,011.45 × 164,512.70
  4. Step 4: Simplify right side
    186,674.30x = 46,065,439,670.42
  5. Step 5: Solve for x
    x = 46,065,439,670.42/186,674.30
  6. Step 6: Final answer
    x = 246,769.05

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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.