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Finding the Fourth Proportional to 127,952.34, 176,574.46 and 71,367.36

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Solution

The fourth proportional to 127,952.34, 176,574.46 and 71,367.36 is: 98,487.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,952.34 : 176,574.46 = 71,367.36 : x
  2. Step 2: Convert to fraction form
    127,952.34/176,574.46 = 71,367.36/x
  3. Step 3: Cross multiply
    127,952.34x = 176,574.46 × 71,367.36
  4. Step 4: Simplify right side
    127,952.34x = 12,601,653,053.63
  5. Step 5: Solve for x
    x = 12,601,653,053.63/127,952.34
  6. Step 6: Final answer
    x = 98,487.09

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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.