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Finding the Fourth Proportional to 163,681.65, 225,878.44 and 92,061.64

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Solution

The fourth proportional to 163,681.65, 225,878.44 and 92,061.64 is: 127,043.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,681.65 : 225,878.44 = 92,061.64 : x
  2. Step 2: Convert to fraction form
    163,681.65/225,878.44 = 92,061.64/x
  3. Step 3: Cross multiply
    163,681.65x = 225,878.44 × 92,061.64
  4. Step 4: Simplify right side
    163,681.65x = 20,794,739,627.04
  5. Step 5: Solve for x
    x = 20,794,739,627.04/163,681.65
  6. Step 6: Final answer
    x = 127,043.81

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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.