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Finding the Fourth Proportional to 163,703.76, 225,908.89 and 92,083.78

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Solution

The fourth proportional to 163,703.76, 225,908.89 and 92,083.78 is: 127,074.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,703.76 : 225,908.89 = 92,083.78 : x
  2. Step 2: Convert to fraction form
    163,703.76/225,908.89 = 92,083.78/x
  3. Step 3: Cross multiply
    163,703.76x = 225,908.89 × 92,083.78
  4. Step 4: Simplify right side
    163,703.76x = 20,802,544,526.80
  5. Step 5: Solve for x
    x = 20,802,544,526.80/163,703.76
  6. Step 6: Final answer
    x = 127,074.32

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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.