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Finding the Fourth Proportional to 168,053.75, 231,919.04 and 92,607.11

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Solution

The fourth proportional to 168,053.75, 231,919.04 and 92,607.11 is: 127,800.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,053.75 : 231,919.04 = 92,607.11 : x
  2. Step 2: Convert to fraction form
    168,053.75/231,919.04 = 92,607.11/x
  3. Step 3: Cross multiply
    168,053.75x = 231,919.04 × 92,607.11
  4. Step 4: Simplify right side
    168,053.75x = 21,477,351,585.34
  5. Step 5: Solve for x
    x = 21,477,351,585.34/168,053.75
  6. Step 6: Final answer
    x = 127,800.49

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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.