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Finding the Fourth Proportional to 70,848.99, 97,771.41 and 39,017.67

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Solution

The fourth proportional to 70,848.99, 97,771.41 and 39,017.67 is: 53,844.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,848.99 : 97,771.41 = 39,017.67 : x
  2. Step 2: Convert to fraction form
    70,848.99/97,771.41 = 39,017.67/x
  3. Step 3: Cross multiply
    70,848.99x = 97,771.41 × 39,017.67
  4. Step 4: Simplify right side
    70,848.99x = 3,814,812,610.81
  5. Step 5: Solve for x
    x = 3,814,812,610.81/70,848.99
  6. Step 6: Final answer
    x = 53,844.28

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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.