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Finding the Fourth Proportional to 108,980.00, 163,533.17 and 45,795.14

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Solution

The fourth proportional to 108,980.00, 163,533.17 and 45,795.14 is: 68,719.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,980.00 : 163,533.17 = 45,795.14 : x
  2. Step 2: Convert to fraction form
    108,980.00/163,533.17 = 45,795.14/x
  3. Step 3: Cross multiply
    108,980.00x = 163,533.17 × 45,795.14
  4. Step 4: Simplify right side
    108,980.00x = 7,489,023,711.62
  5. Step 5: Solve for x
    x = 7,489,023,711.62/108,980.00
  6. Step 6: Final answer
    x = 68,719.25

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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.