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Finding the Fourth Proportional to 88,754.86, 122,481.75 and 51,026.86

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Solution

The fourth proportional to 88,754.86, 122,481.75 and 51,026.86 is: 70,417.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,754.86 : 122,481.75 = 51,026.86 : x
  2. Step 2: Convert to fraction form
    88,754.86/122,481.75 = 51,026.86/x
  3. Step 3: Cross multiply
    88,754.86x = 122,481.75 × 51,026.86
  4. Step 4: Simplify right side
    88,754.86x = 6,249,859,109.81
  5. Step 5: Solve for x
    x = 6,249,859,109.81/88,754.86
  6. Step 6: Final answer
    x = 70,417.09

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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.