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Finding the Fourth Proportional to 254,353.73, 351,036 and 145,468.17

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Solution

The fourth proportional to 254,353.73, 351,036 and 145,468.17 is: 200,762.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,353.73 : 351,036 = 145,468.17 : x
  2. Step 2: Convert to fraction form
    254,353.73/351,036 = 145,468.17/x
  3. Step 3: Cross multiply
    254,353.73x = 351,036 × 145,468.17
  4. Step 4: Simplify right side
    254,353.73x = 51,064,564,524.12
  5. Step 5: Solve for x
    x = 51,064,564,524.12/254,353.73
  6. Step 6: Final answer
    x = 200,762.01

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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.