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Finding the Fourth Proportional to 121,477.92, 182,199.25 and 46,616.91

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Solution

The fourth proportional to 121,477.92, 182,199.25 and 46,616.91 is: 69,918.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,477.92 : 182,199.25 = 46,616.91 : x
  2. Step 2: Convert to fraction form
    121,477.92/182,199.25 = 46,616.91/x
  3. Step 3: Cross multiply
    121,477.92x = 182,199.25 × 46,616.91
  4. Step 4: Simplify right side
    121,477.92x = 8,493,566,039.32
  5. Step 5: Solve for x
    x = 8,493,566,039.32/121,477.92
  6. Step 6: Final answer
    x = 69,918.60

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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.