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Finding the Fourth Proportional to 254,840.16, 351,678.96 and 141,662.56

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Solution

The fourth proportional to 254,840.16, 351,678.96 and 141,662.56 is: 195,494.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,840.16 : 351,678.96 = 141,662.56 : x
  2. Step 2: Convert to fraction form
    254,840.16/351,678.96 = 141,662.56/x
  3. Step 3: Cross multiply
    254,840.16x = 351,678.96 × 141,662.56
  4. Step 4: Simplify right side
    254,840.16x = 49,819,741,771.74
  5. Step 5: Solve for x
    x = 49,819,741,771.74/254,840.16
  6. Step 6: Final answer
    x = 195,494.08

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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.