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Finding the Fourth Proportional to 178,355.96, 246,124.67 and 97,781.72

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Solution

The fourth proportional to 178,355.96, 246,124.67 and 97,781.72 is: 134,935.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,355.96 : 246,124.67 = 97,781.72 : x
  2. Step 2: Convert to fraction form
    178,355.96/246,124.67 = 97,781.72/x
  3. Step 3: Cross multiply
    178,355.96x = 246,124.67 × 97,781.72
  4. Step 4: Simplify right side
    178,355.96x = 24,066,491,847.50
  5. Step 5: Solve for x
    x = 24,066,491,847.50/178,355.96
  6. Step 6: Final answer
    x = 134,935.17

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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.