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Finding the Fourth Proportional to 234,486.36, 351,726.48 and 56,992.86

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Solution

The fourth proportional to 234,486.36, 351,726.48 and 56,992.86 is: 85,488.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,486.36 : 351,726.48 = 56,992.86 : x
  2. Step 2: Convert to fraction form
    234,486.36/351,726.48 = 56,992.86/x
  3. Step 3: Cross multiply
    234,486.36x = 351,726.48 × 56,992.86
  4. Step 4: Simplify right side
    234,486.36x = 20,045,898,032.93
  5. Step 5: Solve for x
    x = 20,045,898,032.93/234,486.36
  6. Step 6: Final answer
    x = 85,488.55

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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.