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Finding the Fourth Proportional to 229,482.52, 316,685.30 and 127,507.56

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Solution

The fourth proportional to 229,482.52, 316,685.30 and 127,507.56 is: 175,960.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,482.52 : 316,685.30 = 127,507.56 : x
  2. Step 2: Convert to fraction form
    229,482.52/316,685.30 = 127,507.56/x
  3. Step 3: Cross multiply
    229,482.52x = 316,685.30 × 127,507.56
  4. Step 4: Simplify right side
    229,482.52x = 40,379,769,890.87
  5. Step 5: Solve for x
    x = 40,379,769,890.87/229,482.52
  6. Step 6: Final answer
    x = 175,960.11

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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.