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Finding the Fourth Proportional to 183,556, 253,450.64 and 119,055.90

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Solution

The fourth proportional to 183,556, 253,450.64 and 119,055.90 is: 164,390.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,556 : 253,450.64 = 119,055.90 : x
  2. Step 2: Convert to fraction form
    183,556/253,450.64 = 119,055.90/x
  3. Step 3: Cross multiply
    183,556x = 253,450.64 × 119,055.90
  4. Step 4: Simplify right side
    183,556x = 30,174,794,050.78
  5. Step 5: Solve for x
    x = 30,174,794,050.78/183,556
  6. Step 6: Final answer
    x = 164,390.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.