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Finding the Fourth Proportional to 116,460.21, 160,699.04 and 68,050.53

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Solution

The fourth proportional to 116,460.21, 160,699.04 and 68,050.53 is: 93,900.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,460.21 : 160,699.04 = 68,050.53 : x
  2. Step 2: Convert to fraction form
    116,460.21/160,699.04 = 68,050.53/x
  3. Step 3: Cross multiply
    116,460.21x = 160,699.04 × 68,050.53
  4. Step 4: Simplify right side
    116,460.21x = 10,935,654,757.43
  5. Step 5: Solve for x
    x = 10,935,654,757.43/116,460.21
  6. Step 6: Final answer
    x = 93,900.35

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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.