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Finding the Fourth Proportional to 70,848.54, 97,775.43 and 39,017.43

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Solution

The fourth proportional to 70,848.54, 97,775.43 and 39,017.43 is: 53,846.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,848.54 : 97,775.43 = 39,017.43 : x
  2. Step 2: Convert to fraction form
    70,848.54/97,775.43 = 39,017.43/x
  3. Step 3: Cross multiply
    70,848.54x = 97,775.43 × 39,017.43
  4. Step 4: Simplify right side
    70,848.54x = 3,814,945,995.74
  5. Step 5: Solve for x
    x = 3,814,945,995.74/70,848.54
  6. Step 6: Final answer
    x = 53,846.50

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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.