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Finding the Fourth Proportional to 108,564.93, 163,097.69 and 104,080.95

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Solution

The fourth proportional to 108,564.93, 163,097.69 and 104,080.95 is: 156,361.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,564.93 : 163,097.69 = 104,080.95 : x
  2. Step 2: Convert to fraction form
    108,564.93/163,097.69 = 104,080.95/x
  3. Step 3: Cross multiply
    108,564.93x = 163,097.69 × 104,080.95
  4. Step 4: Simplify right side
    108,564.93x = 16,975,362,518.01
  5. Step 5: Solve for x
    x = 16,975,362,518.01/108,564.93
  6. Step 6: Final answer
    x = 156,361.38

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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.