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Finding the Fourth Proportional to 164,164.40, 246,261 and 120,336.56

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Solution

The fourth proportional to 164,164.40, 246,261 and 120,336.56 is: 180,515.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,164.40 : 246,261 = 120,336.56 : x
  2. Step 2: Convert to fraction form
    164,164.40/246,261 = 120,336.56/x
  3. Step 3: Cross multiply
    164,164.40x = 246,261 × 120,336.56
  4. Step 4: Simplify right side
    164,164.40x = 29,634,201,602.16
  5. Step 5: Solve for x
    x = 29,634,201,602.16/164,164.40
  6. Step 6: Final answer
    x = 180,515.40

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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.