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Finding the Fourth Proportional to 229,513.65, 316,722.48 and 127,536.47

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Solution

The fourth proportional to 229,513.65, 316,722.48 and 127,536.47 is: 175,996.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,513.65 : 316,722.48 = 127,536.47 : x
  2. Step 2: Convert to fraction form
    229,513.65/316,722.48 = 127,536.47/x
  3. Step 3: Cross multiply
    229,513.65x = 316,722.48 × 127,536.47
  4. Step 4: Simplify right side
    229,513.65x = 40,393,665,485.23
  5. Step 5: Solve for x
    x = 40,393,665,485.23/229,513.65
  6. Step 6: Final answer
    x = 175,996.79

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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.