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Finding the Fourth Proportional to 183,396.59, 275,174.07 and 99,216.05

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Solution

The fourth proportional to 183,396.59, 275,174.07 and 99,216.05 is: 148,866.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,396.59 : 275,174.07 = 99,216.05 : x
  2. Step 2: Convert to fraction form
    183,396.59/275,174.07 = 99,216.05/x
  3. Step 3: Cross multiply
    183,396.59x = 275,174.07 × 99,216.05
  4. Step 4: Simplify right side
    183,396.59x = 27,301,684,287.82
  5. Step 5: Solve for x
    x = 27,301,684,287.82/183,396.59
  6. Step 6: Final answer
    x = 148,866.92

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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.