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Finding the Fourth Proportional to 61,070.21, 91,469.97 and 46,926.12

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Solution

The fourth proportional to 61,070.21, 91,469.97 and 46,926.12 is: 70,285.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,070.21 : 91,469.97 = 46,926.12 : x
  2. Step 2: Convert to fraction form
    61,070.21/91,469.97 = 46,926.12/x
  3. Step 3: Cross multiply
    61,070.21x = 91,469.97 × 46,926.12
  4. Step 4: Simplify right side
    61,070.21x = 4,292,331,131.63
  5. Step 5: Solve for x
    x = 4,292,331,131.63/61,070.21
  6. Step 6: Final answer
    x = 70,285.19

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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.