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Finding the Fourth Proportional to 178,287.59, 246,025.72 and 97,709.40

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Solution

The fourth proportional to 178,287.59, 246,025.72 and 97,709.40 is: 134,832.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,287.59 : 246,025.72 = 97,709.40 : x
  2. Step 2: Convert to fraction form
    178,287.59/246,025.72 = 97,709.40/x
  3. Step 3: Cross multiply
    178,287.59x = 246,025.72 × 97,709.40
  4. Step 4: Simplify right side
    178,287.59x = 24,039,023,767.09
  5. Step 5: Solve for x
    x = 24,039,023,767.09/178,287.59
  6. Step 6: Final answer
    x = 134,832.85

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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.