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Finding the Fourth Proportional to 235,514.54, 325,003.11 and 133,549.31

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Solution

The fourth proportional to 235,514.54, 325,003.11 and 133,549.31 is: 184,294.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,514.54 : 325,003.11 = 133,549.31 : x
  2. Step 2: Convert to fraction form
    235,514.54/325,003.11 = 133,549.31/x
  3. Step 3: Cross multiply
    235,514.54x = 325,003.11 × 133,549.31
  4. Step 4: Simplify right side
    235,514.54x = 43,403,941,088.35
  5. Step 5: Solve for x
    x = 43,403,941,088.35/235,514.54
  6. Step 6: Final answer
    x = 184,294.10

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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.