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Finding the Fourth Proportional to 254,147.64, 350,722.62 and 145,250.16

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Solution

The fourth proportional to 254,147.64, 350,722.62 and 145,250.16 is: 200,444.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,147.64 : 350,722.62 = 145,250.16 : x
  2. Step 2: Convert to fraction form
    254,147.64/350,722.62 = 145,250.16/x
  3. Step 3: Cross multiply
    254,147.64x = 350,722.62 × 145,250.16
  4. Step 4: Simplify right side
    254,147.64x = 50,942,516,670.62
  5. Step 5: Solve for x
    x = 50,942,516,670.62/254,147.64
  6. Step 6: Final answer
    x = 200,444.58

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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.