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Finding the Fourth Proportional to 229,473.30, 316,670.84 and 127,496.54

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Solution

The fourth proportional to 229,473.30, 316,670.84 and 127,496.54 is: 175,943.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,473.30 : 316,670.84 = 127,496.54 : x
  2. Step 2: Convert to fraction form
    229,473.30/316,670.84 = 127,496.54/x
  3. Step 3: Cross multiply
    229,473.30x = 316,670.84 × 127,496.54
  4. Step 4: Simplify right side
    229,473.30x = 40,374,436,418.89
  5. Step 5: Solve for x
    x = 40,374,436,418.89/229,473.30
  6. Step 6: Final answer
    x = 175,943.94

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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.