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Finding the Fourth Proportional to 73,172.52, 109,762.56 and 23,256.54

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Solution

The fourth proportional to 73,172.52, 109,762.56 and 23,256.54 is: 34,886.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,172.52 : 109,762.56 = 23,256.54 : x
  2. Step 2: Convert to fraction form
    73,172.52/109,762.56 = 23,256.54/x
  3. Step 3: Cross multiply
    73,172.52x = 109,762.56 × 23,256.54
  4. Step 4: Simplify right side
    73,172.52x = 2,552,697,367.14
  5. Step 5: Solve for x
    x = 2,552,697,367.14/73,172.52
  6. Step 6: Final answer
    x = 34,886.01

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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.