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Finding the Fourth Proportional to 192,752.28, 265,860.90 and 117,305.64

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Solution

The fourth proportional to 192,752.28, 265,860.90 and 117,305.64 is: 161,798.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,752.28 : 265,860.90 = 117,305.64 : x
  2. Step 2: Convert to fraction form
    192,752.28/265,860.90 = 117,305.64/x
  3. Step 3: Cross multiply
    192,752.28x = 265,860.90 × 117,305.64
  4. Step 4: Simplify right side
    192,752.28x = 31,186,983,025.48
  5. Step 5: Solve for x
    x = 31,186,983,025.48/192,752.28
  6. Step 6: Final answer
    x = 161,798.26

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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.