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Finding the Fourth Proportional to 188,783.29, 260,497.27 and 127,662.46

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Solution

The fourth proportional to 188,783.29, 260,497.27 and 127,662.46 is: 176,158.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,783.29 : 260,497.27 = 127,662.46 : x
  2. Step 2: Convert to fraction form
    188,783.29/260,497.27 = 127,662.46/x
  3. Step 3: Cross multiply
    188,783.29x = 260,497.27 × 127,662.46
  4. Step 4: Simplify right side
    188,783.29x = 33,255,722,567.01
  5. Step 5: Solve for x
    x = 33,255,722,567.01/188,783.29
  6. Step 6: Final answer
    x = 176,158.19

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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.