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Finding the Fourth Proportional to 292,591.69, 438,902.72 and 92,927.71

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Solution

The fourth proportional to 292,591.69, 438,902.72 and 92,927.71 is: 139,396.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,591.69 : 438,902.72 = 92,927.71 : x
  2. Step 2: Convert to fraction form
    292,591.69/438,902.72 = 92,927.71/x
  3. Step 3: Cross multiply
    292,591.69x = 438,902.72 × 92,927.71
  4. Step 4: Simplify right side
    292,591.69x = 40,786,222,646.01
  5. Step 5: Solve for x
    x = 40,786,222,646.01/292,591.69
  6. Step 6: Final answer
    x = 139,396.38

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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.