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Finding the Fourth Proportional to 61,736.79, 85,196.79 and 33,442.50

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Solution

The fourth proportional to 61,736.79, 85,196.79 and 33,442.50 is: 46,150.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,736.79 : 85,196.79 = 33,442.50 : x
  2. Step 2: Convert to fraction form
    61,736.79/85,196.79 = 33,442.50/x
  3. Step 3: Cross multiply
    61,736.79x = 85,196.79 × 33,442.50
  4. Step 4: Simplify right side
    61,736.79x = 2,849,193,649.58
  5. Step 5: Solve for x
    x = 2,849,193,649.58/61,736.79
  6. Step 6: Final answer
    x = 46,150.66

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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.