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Finding the Fourth Proportional to 209,415.01, 314,137.30 and 59,667.48

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Solution

The fourth proportional to 209,415.01, 314,137.30 and 59,667.48 is: 89,505.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,415.01 : 314,137.30 = 59,667.48 : x
  2. Step 2: Convert to fraction form
    209,415.01/314,137.30 = 59,667.48/x
  3. Step 3: Cross multiply
    209,415.01x = 314,137.30 × 59,667.48
  4. Step 4: Simplify right side
    209,415.01x = 18,743,781,065.00
  5. Step 5: Solve for x
    x = 18,743,781,065.00/209,415.01
  6. Step 6: Final answer
    x = 89,505.43

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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.