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Finding the Fourth Proportional to 77,497.35, 116,137.76 and 41,881.89

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Solution

The fourth proportional to 77,497.35, 116,137.76 and 41,881.89 is: 62,764.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,497.35 : 116,137.76 = 41,881.89 : x
  2. Step 2: Convert to fraction form
    77,497.35/116,137.76 = 41,881.89/x
  3. Step 3: Cross multiply
    77,497.35x = 116,137.76 × 41,881.89
  4. Step 4: Simplify right side
    77,497.35x = 4,864,068,848.70
  5. Step 5: Solve for x
    x = 4,864,068,848.70/77,497.35
  6. Step 6: Final answer
    x = 62,764.32

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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.