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Finding the Fourth Proportional to 73,280.92, 109,929.35 and 23,349.28

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Solution

The fourth proportional to 73,280.92, 109,929.35 and 23,349.28 is: 35,026.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,280.92 : 109,929.35 = 23,349.28 : x
  2. Step 2: Convert to fraction form
    73,280.92/109,929.35 = 23,349.28/x
  3. Step 3: Cross multiply
    73,280.92x = 109,929.35 × 23,349.28
  4. Step 4: Simplify right side
    73,280.92x = 2,566,771,173.37
  5. Step 5: Solve for x
    x = 2,566,771,173.37/73,280.92
  6. Step 6: Final answer
    x = 35,026.46

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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.