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Finding the Fourth Proportional to 229,373.34, 316,530.09 and 127,393.08

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Solution

The fourth proportional to 229,373.34, 316,530.09 and 127,393.08 is: 175,799.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,373.34 : 316,530.09 = 127,393.08 : x
  2. Step 2: Convert to fraction form
    229,373.34/316,530.09 = 127,393.08/x
  3. Step 3: Cross multiply
    229,373.34x = 316,530.09 × 127,393.08
  4. Step 4: Simplify right side
    229,373.34x = 40,323,743,077.78
  5. Step 5: Solve for x
    x = 40,323,743,077.78/229,373.34
  6. Step 6: Final answer
    x = 175,799.61

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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.