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Finding the Fourth Proportional to 235,553.83, 325,071.55 and 133,583.47

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Solution

The fourth proportional to 235,553.83, 325,071.55 and 133,583.47 is: 184,349.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,553.83 : 325,071.55 = 133,583.47 : x
  2. Step 2: Convert to fraction form
    235,553.83/325,071.55 = 133,583.47/x
  3. Step 3: Cross multiply
    235,553.83x = 325,071.55 × 133,583.47
  4. Step 4: Simplify right side
    235,553.83x = 43,424,185,647.28
  5. Step 5: Solve for x
    x = 43,424,185,647.28/235,553.83
  6. Step 6: Final answer
    x = 184,349.31

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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.