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Finding the Fourth Proportional to 61,197.93, 91,710.70 and 48,662.30

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Solution

The fourth proportional to 61,197.93, 91,710.70 and 48,662.30 is: 72,924.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,197.93 : 91,710.70 = 48,662.30 : x
  2. Step 2: Convert to fraction form
    61,197.93/91,710.70 = 48,662.30/x
  3. Step 3: Cross multiply
    61,197.93x = 91,710.70 × 48,662.30
  4. Step 4: Simplify right side
    61,197.93x = 4,462,853,704.23
  5. Step 5: Solve for x
    x = 4,462,853,704.23/61,197.93
  6. Step 6: Final answer
    x = 72,924.91

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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.