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Finding the Fourth Proportional to 70,848.66, 97,771.26 and 39,017.58

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Solution

The fourth proportional to 70,848.66, 97,771.26 and 39,017.58 is: 53,844.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,848.66 : 97,771.26 = 39,017.58 : x
  2. Step 2: Convert to fraction form
    70,848.66/97,771.26 = 39,017.58/x
  3. Step 3: Cross multiply
    70,848.66x = 97,771.26 × 39,017.58
  4. Step 4: Simplify right side
    70,848.66x = 3,814,797,958.75
  5. Step 5: Solve for x
    x = 3,814,797,958.75/70,848.66
  6. Step 6: Final answer
    x = 53,844.32

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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.