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Finding the Fourth Proportional to 61,706.25, 85,154.67 and 33,411.96

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Solution

The fourth proportional to 61,706.25, 85,154.67 and 33,411.96 is: 46,108.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,706.25 : 85,154.67 = 33,411.96 : x
  2. Step 2: Convert to fraction form
    61,706.25/85,154.67 = 33,411.96/x
  3. Step 3: Cross multiply
    61,706.25x = 85,154.67 × 33,411.96
  4. Step 4: Simplify right side
    61,706.25x = 2,845,184,427.85
  5. Step 5: Solve for x
    x = 2,845,184,427.85/61,706.25
  6. Step 6: Final answer
    x = 46,108.53

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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.