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Finding the Fourth Proportional to 254,589.22, 351,333.34 and 139,868.08

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Solution

The fourth proportional to 254,589.22, 351,333.34 and 139,868.08 is: 193,018.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,589.22 : 351,333.34 = 139,868.08 : x
  2. Step 2: Convert to fraction form
    254,589.22/351,333.34 = 139,868.08/x
  3. Step 3: Cross multiply
    254,589.22x = 351,333.34 × 139,868.08
  4. Step 4: Simplify right side
    254,589.22x = 49,140,320,454.03
  5. Step 5: Solve for x
    x = 49,140,320,454.03/254,589.22
  6. Step 6: Final answer
    x = 193,018.07

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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.