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Finding the Fourth Proportional to 62,176.21, 85,802.90 and 33,881.90

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Solution

The fourth proportional to 62,176.21, 85,802.90 and 33,881.90 is: 46,756.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,176.21 : 85,802.90 = 33,881.90 : x
  2. Step 2: Convert to fraction form
    62,176.21/85,802.90 = 33,881.90/x
  3. Step 3: Cross multiply
    62,176.21x = 85,802.90 × 33,881.90
  4. Step 4: Simplify right side
    62,176.21x = 2,907,165,277.51
  5. Step 5: Solve for x
    x = 2,907,165,277.51/62,176.21
  6. Step 6: Final answer
    x = 46,756.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.