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Finding the Fourth Proportional to 73,080.54, 109,623.87 and 23,159.54

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Solution

The fourth proportional to 73,080.54, 109,623.87 and 23,159.54 is: 34,740.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,080.54 : 109,623.87 = 23,159.54 : x
  2. Step 2: Convert to fraction form
    73,080.54/109,623.87 = 23,159.54/x
  3. Step 3: Cross multiply
    73,080.54x = 109,623.87 × 23,159.54
  4. Step 4: Simplify right side
    73,080.54x = 2,538,838,402.22
  5. Step 5: Solve for x
    x = 2,538,838,402.22/73,080.54
  6. Step 6: Final answer
    x = 34,740.28

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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.