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Finding the Fourth Proportional to 225,671.10, 338,506.59 and 92,460.42

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Solution

The fourth proportional to 225,671.10, 338,506.59 and 92,460.42 is: 138,690.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,671.10 : 338,506.59 = 92,460.42 : x
  2. Step 2: Convert to fraction form
    225,671.10/338,506.59 = 92,460.42/x
  3. Step 3: Cross multiply
    225,671.10x = 338,506.59 × 92,460.42
  4. Step 4: Simplify right side
    225,671.10x = 31,298,461,484.17
  5. Step 5: Solve for x
    x = 31,298,461,484.17/225,671.10
  6. Step 6: Final answer
    x = 138,690.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.