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Finding the Fourth Proportional to 133,090.04, 183,665.10 and 73,474.04

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Solution

The fourth proportional to 133,090.04, 183,665.10 and 73,474.04 is: 101,394.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,090.04 : 183,665.10 = 73,474.04 : x
  2. Step 2: Convert to fraction form
    133,090.04/183,665.10 = 73,474.04/x
  3. Step 3: Cross multiply
    133,090.04x = 183,665.10 × 73,474.04
  4. Step 4: Simplify right side
    133,090.04x = 13,494,616,904.00
  5. Step 5: Solve for x
    x = 13,494,616,904.00/133,090.04
  6. Step 6: Final answer
    x = 101,394.64

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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.