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Finding the Fourth Proportional to 122,217.35, 183,212.35 and 47,386.31

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Solution

The fourth proportional to 122,217.35, 183,212.35 and 47,386.31 is: 71,035.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,217.35 : 183,212.35 = 47,386.31 : x
  2. Step 2: Convert to fraction form
    122,217.35/183,212.35 = 47,386.31/x
  3. Step 3: Cross multiply
    122,217.35x = 183,212.35 × 47,386.31
  4. Step 4: Simplify right side
    122,217.35x = 8,681,756,178.40
  5. Step 5: Solve for x
    x = 8,681,756,178.40/122,217.35
  6. Step 6: Final answer
    x = 71,035.39

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