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Finding the Fourth Proportional to 229,304.55, 316,429.71 and 127,336.52

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Solution

The fourth proportional to 229,304.55, 316,429.71 and 127,336.52 is: 175,718.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,304.55 : 316,429.71 = 127,336.52 : x
  2. Step 2: Convert to fraction form
    229,304.55/316,429.71 = 127,336.52/x
  3. Step 3: Cross multiply
    229,304.55x = 316,429.71 × 127,336.52
  4. Step 4: Simplify right side
    229,304.55x = 40,293,058,096.01
  5. Step 5: Solve for x
    x = 40,293,058,096.01/229,304.55
  6. Step 6: Final answer
    x = 175,718.53

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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.