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Finding the Fourth Proportional to 178,873.66, 246,878.90 and 102,392.76

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Solution

The fourth proportional to 178,873.66, 246,878.90 and 102,392.76 is: 141,321.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,873.66 : 246,878.90 = 102,392.76 : x
  2. Step 2: Convert to fraction form
    178,873.66/246,878.90 = 102,392.76/x
  3. Step 3: Cross multiply
    178,873.66x = 246,878.90 × 102,392.76
  4. Step 4: Simplify right side
    178,873.66x = 25,278,610,978.35
  5. Step 5: Solve for x
    x = 25,278,610,978.35/178,873.66
  6. Step 6: Final answer
    x = 141,321.04

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1.5x scale

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.