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Finding the Fourth Proportional to 70,899.47, 97,846.01 and 39,068.37

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Solution

The fourth proportional to 70,899.47, 97,846.01 and 39,068.37 is: 53,916.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,899.47 : 97,846.01 = 39,068.37 : x
  2. Step 2: Convert to fraction form
    70,899.47/97,846.01 = 39,068.37/x
  3. Step 3: Cross multiply
    70,899.47x = 97,846.01 × 39,068.37
  4. Step 4: Simplify right side
    70,899.47x = 3,822,683,926.36
  5. Step 5: Solve for x
    x = 3,822,683,926.36/70,899.47
  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.