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Finding the Fourth Proportional to 116,818, 175,351.76 and 50,291.12

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Solution

The fourth proportional to 116,818, 175,351.76 and 50,291.12 is: 75,490.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,818 : 175,351.76 = 50,291.12 : x
  2. Step 2: Convert to fraction form
    116,818/175,351.76 = 50,291.12/x
  3. Step 3: Cross multiply
    116,818x = 175,351.76 × 50,291.12
  4. Step 4: Simplify right side
    116,818x = 8,818,636,404.37
  5. Step 5: Solve for x
    x = 8,818,636,404.37/116,818
  6. Step 6: Final answer
    x = 75,490.39

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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.