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Finding the Fourth Proportional to 254,699.79, 351,487.40 and 159,262.35

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Solution

The fourth proportional to 254,699.79, 351,487.40 and 159,262.35 is: 219,783.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,699.79 : 351,487.40 = 159,262.35 : x
  2. Step 2: Convert to fraction form
    254,699.79/351,487.40 = 159,262.35/x
  3. Step 3: Cross multiply
    254,699.79x = 351,487.40 × 159,262.35
  4. Step 4: Simplify right side
    254,699.79x = 55,978,708,523.08
  5. Step 5: Solve for x
    x = 55,978,708,523.08/254,699.79
  6. Step 6: Final answer
    x = 219,783.10

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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.