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Finding the Fourth Proportional to 191,843.82, 287,792.01 and 65,450.16

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Solution

The fourth proportional to 191,843.82, 287,792.01 and 65,450.16 is: 98,184.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,843.82 : 287,792.01 = 65,450.16 : x
  2. Step 2: Convert to fraction form
    191,843.82/287,792.01 = 65,450.16/x
  3. Step 3: Cross multiply
    191,843.82x = 287,792.01 × 65,450.16
  4. Step 4: Simplify right side
    191,843.82x = 18,836,033,101.22
  5. Step 5: Solve for x
    x = 18,836,033,101.22/191,843.82
  6. Step 6: Final answer
    x = 98,184.21

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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.