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Finding the Fourth Proportional to 163,666.79, 225,858 and 92,046.81

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Solution

The fourth proportional to 163,666.79, 225,858 and 92,046.81 is: 127,023.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,666.79 : 225,858 = 92,046.81 : x
  2. Step 2: Convert to fraction form
    163,666.79/225,858 = 92,046.81/x
  3. Step 3: Cross multiply
    163,666.79x = 225,858 × 92,046.81
  4. Step 4: Simplify right side
    163,666.79x = 20,789,508,412.98
  5. Step 5: Solve for x
    x = 20,789,508,412.98/163,666.79
  6. Step 6: Final answer
    x = 127,023.38

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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.