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Finding the Fourth Proportional to 178,774.38, 246,709.68 and 98,199.24

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Solution

The fourth proportional to 178,774.38, 246,709.68 and 98,199.24 is: 135,515.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,774.38 : 246,709.68 = 98,199.24 : x
  2. Step 2: Convert to fraction form
    178,774.38/246,709.68 = 98,199.24/x
  3. Step 3: Cross multiply
    178,774.38x = 246,709.68 × 98,199.24
  4. Step 4: Simplify right side
    178,774.38x = 24,226,703,076.64
  5. Step 5: Solve for x
    x = 24,226,703,076.64/178,774.38
  6. Step 6: Final answer
    x = 135,515.52

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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.