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Finding the Fourth Proportional to 116,314.62, 160,522.11 and 64,637.88

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Solution

The fourth proportional to 116,314.62, 160,522.11 and 64,637.88 is: 89,204.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,314.62 : 160,522.11 = 64,637.88 : x
  2. Step 2: Convert to fraction form
    116,314.62/160,522.11 = 64,637.88/x
  3. Step 3: Cross multiply
    116,314.62x = 160,522.11 × 64,637.88
  4. Step 4: Simplify right side
    116,314.62x = 10,375,808,883.53
  5. Step 5: Solve for x
    x = 10,375,808,883.53/116,314.62
  6. Step 6: Final answer
    x = 89,204.68

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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.