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Finding the Fourth Proportional to 84,630.30, 116,802.25 and 48,813.32

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Solution

The fourth proportional to 84,630.30, 116,802.25 and 48,813.32 is: 67,369.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,630.30 : 116,802.25 = 48,813.32 : x
  2. Step 2: Convert to fraction form
    84,630.30/116,802.25 = 48,813.32/x
  3. Step 3: Cross multiply
    84,630.30x = 116,802.25 × 48,813.32
  4. Step 4: Simplify right side
    84,630.30x = 5,701,504,899.93
  5. Step 5: Solve for x
    x = 5,701,504,899.93/84,630.30
  6. Step 6: Final answer
    x = 67,369.55

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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.