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Finding the Fourth Proportional to 121,366.80, 182,055.60 and 41,403.60

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Solution

The fourth proportional to 121,366.80, 182,055.60 and 41,403.60 is: 62,107.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,366.80 : 182,055.60 = 41,403.60 : x
  2. Step 2: Convert to fraction form
    121,366.80/182,055.60 = 41,403.60/x
  3. Step 3: Cross multiply
    121,366.80x = 182,055.60 × 41,403.60
  4. Step 4: Simplify right side
    121,366.80x = 7,537,757,240.16
  5. Step 5: Solve for x
    x = 7,537,757,240.16/121,366.80
  6. Step 6: Final answer
    x = 62,107.24

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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.