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Finding the Fourth Proportional to 343,808.64, 515,818.58 and 164,123.37

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Solution

The fourth proportional to 343,808.64, 515,818.58 and 164,123.37 is: 246,235.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,808.64 : 515,818.58 = 164,123.37 : x
  2. Step 2: Convert to fraction form
    343,808.64/515,818.58 = 164,123.37/x
  3. Step 3: Cross multiply
    343,808.64x = 515,818.58 × 164,123.37
  4. Step 4: Simplify right side
    343,808.64x = 84,657,882,837.60
  5. Step 5: Solve for x
    x = 84,657,882,837.60/343,808.64
  6. Step 6: Final answer
    x = 246,235.47

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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.