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Finding the Fourth Proportional to 366,157.71, 549,295.79 and 113,378.78

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Solution

The fourth proportional to 366,157.71, 549,295.79 and 113,378.78 is: 170,086.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,157.71 : 549,295.79 = 113,378.78 : x
  2. Step 2: Convert to fraction form
    366,157.71/549,295.79 = 113,378.78/x
  3. Step 3: Cross multiply
    366,157.71x = 549,295.79 × 113,378.78
  4. Step 4: Simplify right side
    366,157.71x = 62,278,486,529.34
  5. Step 5: Solve for x
    x = 62,278,486,529.34/366,157.71
  6. Step 6: Final answer
    x = 170,086.51

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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.