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Finding the Fourth Proportional to 254,216.76, 350,812.46 and 139,495.05

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Solution

The fourth proportional to 254,216.76, 350,812.46 and 139,495.05 is: 192,499.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,216.76 : 350,812.46 = 139,495.05 : x
  2. Step 2: Convert to fraction form
    254,216.76/350,812.46 = 139,495.05/x
  3. Step 3: Cross multiply
    254,216.76x = 350,812.46 × 139,495.05
  4. Step 4: Simplify right side
    254,216.76x = 48,936,600,950.85
  5. Step 5: Solve for x
    x = 48,936,600,950.85/254,216.76
  6. Step 6: Final answer
    x = 192,499.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.