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Finding the Fourth Proportional to 169,940.81, 254,856.64 and 56,063.02

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Solution

The fourth proportional to 169,940.81, 254,856.64 and 56,063.02 is: 84,076.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,940.81 : 254,856.64 = 56,063.02 : x
  2. Step 2: Convert to fraction form
    169,940.81/254,856.64 = 56,063.02/x
  3. Step 3: Cross multiply
    169,940.81x = 254,856.64 × 56,063.02
  4. Step 4: Simplify right side
    169,940.81x = 14,288,032,905.45
  5. Step 5: Solve for x
    x = 14,288,032,905.45/169,940.81
  6. Step 6: Final answer
    x = 84,076.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.