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Finding the Fourth Proportional to 235,294.69, 324,719.07 and 133,339.93

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Solution

The fourth proportional to 235,294.69, 324,719.07 and 133,339.93 is: 184,016.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,294.69 : 324,719.07 = 133,339.93 : x
  2. Step 2: Convert to fraction form
    235,294.69/324,719.07 = 133,339.93/x
  3. Step 3: Cross multiply
    235,294.69x = 324,719.07 × 133,339.93
  4. Step 4: Simplify right side
    235,294.69x = 43,298,018,063.47
  5. Step 5: Solve for x
    x = 43,298,018,063.47/235,294.69
  6. Step 6: Final answer
    x = 184,016.13

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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.