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Finding the Fourth Proportional to 169,507.82, 233,963.80 and 115,814.54

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Solution

The fourth proportional to 169,507.82, 233,963.80 and 115,814.54 is: 159,853.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,507.82 : 233,963.80 = 115,814.54 : x
  2. Step 2: Convert to fraction form
    169,507.82/233,963.80 = 115,814.54/x
  3. Step 3: Cross multiply
    169,507.82x = 233,963.80 × 115,814.54
  4. Step 4: Simplify right side
    169,507.82x = 27,096,409,873.65
  5. Step 5: Solve for x
    x = 27,096,409,873.65/169,507.82
  6. Step 6: Final answer
    x = 159,853.45

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1.5x scale

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.