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Finding the Fourth Proportional to 193,189.44, 266,607 and 108,307.92

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Solution

The fourth proportional to 193,189.44, 266,607 and 108,307.92 is: 149,468.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,189.44 : 266,607 = 108,307.92 : x
  2. Step 2: Convert to fraction form
    193,189.44/266,607 = 108,307.92/x
  3. Step 3: Cross multiply
    193,189.44x = 266,607 × 108,307.92
  4. Step 4: Simplify right side
    193,189.44x = 28,875,649,627.44
  5. Step 5: Solve for x
    x = 28,875,649,627.44/193,189.44
  6. Step 6: Final answer
    x = 149,468.05

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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.