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Finding the Fourth Proportional to 61,054.83, 91,613.50 and 29,070.11

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Solution

The fourth proportional to 61,054.83, 91,613.50 and 29,070.11 is: 43,620.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,054.83 : 91,613.50 = 29,070.11 : x
  2. Step 2: Convert to fraction form
    61,054.83/91,613.50 = 29,070.11/x
  3. Step 3: Cross multiply
    61,054.83x = 91,613.50 × 29,070.11
  4. Step 4: Simplify right side
    61,054.83x = 2,663,214,163.52
  5. Step 5: Solve for x
    x = 2,663,214,163.52/61,054.83
  6. Step 6: Final answer
    x = 43,620.04

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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.