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Finding the Fourth Proportional to 137,334.99, 205,795.60 and 122,368.90

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Solution

The fourth proportional to 137,334.99, 205,795.60 and 122,368.90 is: 183,369.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,334.99 : 205,795.60 = 122,368.90 : x
  2. Step 2: Convert to fraction form
    137,334.99/205,795.60 = 122,368.90/x
  3. Step 3: Cross multiply
    137,334.99x = 205,795.60 × 122,368.90
  4. Step 4: Simplify right side
    137,334.99x = 25,182,981,196.84
  5. Step 5: Solve for x
    x = 25,182,981,196.84/137,334.99
  6. Step 6: Final answer
    x = 183,369.01

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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.