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Finding the Fourth Proportional to 70,704.99, 106,051.95 and 41,103.93

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Solution

The fourth proportional to 70,704.99, 106,051.95 and 41,103.93 is: 61,652.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,704.99 : 106,051.95 = 41,103.93 : x
  2. Step 2: Convert to fraction form
    70,704.99/106,051.95 = 41,103.93/x
  3. Step 3: Cross multiply
    70,704.99x = 106,051.95 × 41,103.93
  4. Step 4: Simplify right side
    70,704.99x = 4,359,151,929.16
  5. Step 5: Solve for x
    x = 4,359,151,929.16/70,704.99
  6. Step 6: Final answer
    x = 61,652.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.