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Finding the Fourth Proportional to 365,820.86, 548,594.94 and 125,867.66

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Solution

The fourth proportional to 365,820.86, 548,594.94 and 125,867.66 is: 188,754.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,820.86 : 548,594.94 = 125,867.66 : x
  2. Step 2: Convert to fraction form
    365,820.86/548,594.94 = 125,867.66/x
  3. Step 3: Cross multiply
    365,820.86x = 548,594.94 × 125,867.66
  4. Step 4: Simplify right side
    365,820.86x = 69,050,360,898.05
  5. Step 5: Solve for x
    x = 69,050,360,898.05/365,820.86
  6. Step 6: Final answer
    x = 188,754.58

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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.