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Finding the Fourth Proportional to 61,242.26, 91,855.95 and 16,873.46

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Solution

The fourth proportional to 61,242.26, 91,855.95 and 16,873.46 is: 25,308.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,242.26 : 91,855.95 = 16,873.46 : x
  2. Step 2: Convert to fraction form
    61,242.26/91,855.95 = 16,873.46/x
  3. Step 3: Cross multiply
    61,242.26x = 91,855.95 × 16,873.46
  4. Step 4: Simplify right side
    61,242.26x = 1,549,927,698.09
  5. Step 5: Solve for x
    x = 1,549,927,698.09/61,242.26
  6. Step 6: Final answer
    x = 25,308.14

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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.