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Finding the Fourth Proportional to 137,335.99, 205,797.10 and 122,369.90

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Solution

The fourth proportional to 137,335.99, 205,797.10 and 122,369.90 is: 183,370.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,335.99 : 205,797.10 = 122,369.90 : x
  2. Step 2: Convert to fraction form
    137,335.99/205,797.10 = 122,369.90/x
  3. Step 3: Cross multiply
    137,335.99x = 205,797.10 × 122,369.90
  4. Step 4: Simplify right side
    137,335.99x = 25,183,370,547.29
  5. Step 5: Solve for x
    x = 25,183,370,547.29/137,335.99
  6. Step 6: Final answer
    x = 183,370.51

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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.