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Finding the Fourth Proportional to 70,924.10, 97,915.31 and 47,083.37

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Solution

The fourth proportional to 70,924.10, 97,915.31 and 47,083.37 is: 65,001.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,924.10 : 97,915.31 = 47,083.37 : x
  2. Step 2: Convert to fraction form
    70,924.10/97,915.31 = 47,083.37/x
  3. Step 3: Cross multiply
    70,924.10x = 97,915.31 × 47,083.37
  4. Step 4: Simplify right side
    70,924.10x = 4,610,182,044.40
  5. Step 5: Solve for x
    x = 4,610,182,044.40/70,924.10
  6. Step 6: Final answer
    x = 65,001.63

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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.