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Finding the Fourth Proportional to 168,406.56, 232,401.12 and 92,955.12

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Solution

The fourth proportional to 168,406.56, 232,401.12 and 92,955.12 is: 128,278.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,406.56 : 232,401.12 = 92,955.12 : x
  2. Step 2: Convert to fraction form
    168,406.56/232,401.12 = 92,955.12/x
  3. Step 3: Cross multiply
    168,406.56x = 232,401.12 × 92,955.12
  4. Step 4: Simplify right side
    168,406.56x = 21,602,873,997.73
  5. Step 5: Solve for x
    x = 21,602,873,997.73/168,406.56
  6. Step 6: Final answer
    x = 128,278.10

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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.