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Finding the Fourth Proportional to 186,096.32, 279,144.64 and 45,854.96

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Solution

The fourth proportional to 186,096.32, 279,144.64 and 45,854.96 is: 68,782.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,096.32 : 279,144.64 = 45,854.96 : x
  2. Step 2: Convert to fraction form
    186,096.32/279,144.64 = 45,854.96/x
  3. Step 3: Cross multiply
    186,096.32x = 279,144.64 × 45,854.96
  4. Step 4: Simplify right side
    186,096.32x = 12,800,166,301.41
  5. Step 5: Solve for x
    x = 12,800,166,301.41/186,096.32
  6. Step 6: Final answer
    x = 68,782.48

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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.