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Finding the Fourth Proportional to 65,492.73, 98,091.40 and 45,858.94

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Solution

The fourth proportional to 65,492.73, 98,091.40 and 45,858.94 is: 68,684.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,492.73 : 98,091.40 = 45,858.94 : x
  2. Step 2: Convert to fraction form
    65,492.73/98,091.40 = 45,858.94/x
  3. Step 3: Cross multiply
    65,492.73x = 98,091.40 × 45,858.94
  4. Step 4: Simplify right side
    65,492.73x = 4,498,367,397.82
  5. Step 5: Solve for x
    x = 4,498,367,397.82/65,492.73
  6. Step 6: Final answer
    x = 68,684.99

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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.