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Finding the Fourth Proportional to 155,308.52, 213,796.85 and 114,946.22

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Solution

The fourth proportional to 155,308.52, 213,796.85 and 114,946.22 is: 158,234.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,308.52 : 213,796.85 = 114,946.22 : x
  2. Step 2: Convert to fraction form
    155,308.52/213,796.85 = 114,946.22/x
  3. Step 3: Cross multiply
    155,308.52x = 213,796.85 × 114,946.22
  4. Step 4: Simplify right side
    155,308.52x = 24,575,138,111.69
  5. Step 5: Solve for x
    x = 24,575,138,111.69/155,308.52
  6. Step 6: Final answer
    x = 158,234.33

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