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Finding the Fourth Proportional to 226,508.95, 312,582.98 and 124,544.84

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Solution

The fourth proportional to 226,508.95, 312,582.98 and 124,544.84 is: 171,872.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,508.95 : 312,582.98 = 124,544.84 : x
  2. Step 2: Convert to fraction form
    226,508.95/312,582.98 = 124,544.84/x
  3. Step 3: Cross multiply
    226,508.95x = 312,582.98 × 124,544.84
  4. Step 4: Simplify right side
    226,508.95x = 38,930,595,045.18
  5. Step 5: Solve for x
    x = 38,930,595,045.18/226,508.95
  6. Step 6: Final answer
    x = 171,872.22

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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.