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Finding the Fourth Proportional to 163,660.16, 225,848.88 and 92,040.16

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Solution

The fourth proportional to 163,660.16, 225,848.88 and 92,040.16 is: 127,014.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,660.16 : 225,848.88 = 92,040.16 : x
  2. Step 2: Convert to fraction form
    163,660.16/225,848.88 = 92,040.16/x
  3. Step 3: Cross multiply
    163,660.16x = 225,848.88 × 92,040.16
  4. Step 4: Simplify right side
    163,660.16x = 20,787,167,051.02
  5. Step 5: Solve for x
    x = 20,787,167,051.02/163,660.16
  6. Step 6: Final answer
    x = 127,014.22

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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.