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Finding the Fourth Proportional to 193,400.00, 290,093.54 and 79,543.87

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Solution

The fourth proportional to 193,400.00, 290,093.54 and 79,543.87 is: 119,313.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,400.00 : 290,093.54 = 79,543.87 : x
  2. Step 2: Convert to fraction form
    193,400.00/290,093.54 = 79,543.87/x
  3. Step 3: Cross multiply
    193,400.00x = 290,093.54 × 79,543.87
  4. Step 4: Simplify right side
    193,400.00x = 23,075,162,307.23
  5. Step 5: Solve for x
    x = 23,075,162,307.23/193,400.00
  6. Step 6: Final answer
    x = 119,313.15

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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.