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Finding the Fourth Proportional to 254,045.27, 350,620.88 and 145,172.52

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Solution

The fourth proportional to 254,045.27, 350,620.88 and 145,172.52 is: 200,360.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,045.27 : 350,620.88 = 145,172.52 : x
  2. Step 2: Convert to fraction form
    254,045.27/350,620.88 = 145,172.52/x
  3. Step 3: Cross multiply
    254,045.27x = 350,620.88 × 145,172.52
  4. Step 4: Simplify right side
    254,045.27x = 50,900,516,714.22
  5. Step 5: Solve for x
    x = 50,900,516,714.22/254,045.27
  6. Step 6: Final answer
    x = 200,360.03

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