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Finding the Fourth Proportional to 144,698.59, 217,015.08 and 51,204.34

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Solution

The fourth proportional to 144,698.59, 217,015.08 and 51,204.34 is: 76,794.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,698.59 : 217,015.08 = 51,204.34 : x
  2. Step 2: Convert to fraction form
    144,698.59/217,015.08 = 51,204.34/x
  3. Step 3: Cross multiply
    144,698.59x = 217,015.08 × 51,204.34
  4. Step 4: Simplify right side
    144,698.59x = 11,112,113,941.45
  5. Step 5: Solve for x
    x = 11,112,113,941.45/144,698.59
  6. Step 6: Final answer
    x = 76,794.90

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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.