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Finding the Fourth Proportional to 168,462.69, 232,479.32 and 91,983.35

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Solution

The fourth proportional to 168,462.69, 232,479.32 and 91,983.35 is: 126,937.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,462.69 : 232,479.32 = 91,983.35 : x
  2. Step 2: Convert to fraction form
    168,462.69/232,479.32 = 91,983.35/x
  3. Step 3: Cross multiply
    168,462.69x = 232,479.32 × 91,983.35
  4. Step 4: Simplify right side
    168,462.69x = 21,384,225,037.01
  5. Step 5: Solve for x
    x = 21,384,225,037.01/168,462.69
  6. Step 6: Final answer
    x = 126,937.45

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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.