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Finding the Fourth Proportional to 70,893.44, 97,838.50 and 39,068.04

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Solution

The fourth proportional to 70,893.44, 97,838.50 and 39,068.04 is: 53,916.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,893.44 : 97,838.50 = 39,068.04 : x
  2. Step 2: Convert to fraction form
    70,893.44/97,838.50 = 39,068.04/x
  3. Step 3: Cross multiply
    70,893.44x = 97,838.50 × 39,068.04
  4. Step 4: Simplify right side
    70,893.44x = 3,822,358,431.54
  5. Step 5: Solve for x
    x = 3,822,358,431.54/70,893.44
  6. Step 6: Final answer
    x = 53,916.96

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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.