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Finding the Fourth Proportional to 163,637.64, 225,823.01 and 95,660.42

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Solution

The fourth proportional to 163,637.64, 225,823.01 and 95,660.42 is: 132,013.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,637.64 : 225,823.01 = 95,660.42 : x
  2. Step 2: Convert to fraction form
    163,637.64/225,823.01 = 95,660.42/x
  3. Step 3: Cross multiply
    163,637.64x = 225,823.01 × 95,660.42
  4. Step 4: Simplify right side
    163,637.64x = 21,602,322,374.85
  5. Step 5: Solve for x
    x = 21,602,322,374.85/163,637.64
  6. Step 6: Final answer
    x = 132,013.16

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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.