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Finding the Fourth Proportional to 178,210.44, 245,899.15 and 101,694.60

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Solution

The fourth proportional to 178,210.44, 245,899.15 and 101,694.60 is: 140,320.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,210.44 : 245,899.15 = 101,694.60 : x
  2. Step 2: Convert to fraction form
    178,210.44/245,899.15 = 101,694.60/x
  3. Step 3: Cross multiply
    178,210.44x = 245,899.15 × 101,694.60
  4. Step 4: Simplify right side
    178,210.44x = 25,006,615,445.35
  5. Step 5: Solve for x
    x = 25,006,615,445.35/178,210.44
  6. Step 6: Final answer
    x = 140,320.71

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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.