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Finding the Fourth Proportional to 123,959.44, 185,901.90 and 35,220.16

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Solution

The fourth proportional to 123,959.44, 185,901.90 and 35,220.16 is: 52,819.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,959.44 : 185,901.90 = 35,220.16 : x
  2. Step 2: Convert to fraction form
    123,959.44/185,901.90 = 35,220.16/x
  3. Step 3: Cross multiply
    123,959.44x = 185,901.90 × 35,220.16
  4. Step 4: Simplify right side
    123,959.44x = 6,547,494,662.30
  5. Step 5: Solve for x
    x = 6,547,494,662.30/123,959.44
  6. Step 6: Final answer
    x = 52,819.65

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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.