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Finding the Fourth Proportional to 163,685.84, 225,885.58 and 92,064.33

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Solution

The fourth proportional to 163,685.84, 225,885.58 and 92,064.33 is: 127,048.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,685.84 : 225,885.58 = 92,064.33 : x
  2. Step 2: Convert to fraction form
    163,685.84/225,885.58 = 92,064.33/x
  3. Step 3: Cross multiply
    163,685.84x = 225,885.58 × 92,064.33
  4. Step 4: Simplify right side
    163,685.84x = 20,796,004,349.20
  5. Step 5: Solve for x
    x = 20,796,004,349.20/163,685.84
  6. Step 6: Final answer
    x = 127,048.28

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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.