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Finding the Fourth Proportional to 78,926, 118,409.52 and 23,522

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Solution

The fourth proportional to 78,926, 118,409.52 and 23,522 is: 35,289.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,926 : 118,409.52 = 23,522 : x
  2. Step 2: Convert to fraction form
    78,926/118,409.52 = 23,522/x
  3. Step 3: Cross multiply
    78,926x = 118,409.52 × 23,522
  4. Step 4: Simplify right side
    78,926x = 2,785,228,729.44
  5. Step 5: Solve for x
    x = 2,785,228,729.44/78,926
  6. Step 6: Final answer
    x = 35,289.12

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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.