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Finding the Fourth Proportional to 178,156.45, 245,856 and 97,585.32

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Solution

The fourth proportional to 178,156.45, 245,856 and 97,585.32 is: 134,667.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,156.45 : 245,856 = 97,585.32 : x
  2. Step 2: Convert to fraction form
    178,156.45/245,856 = 97,585.32/x
  3. Step 3: Cross multiply
    178,156.45x = 245,856 × 97,585.32
  4. Step 4: Simplify right side
    178,156.45x = 23,991,936,433.92
  5. Step 5: Solve for x
    x = 23,991,936,433.92/178,156.45
  6. Step 6: Final answer
    x = 134,667.80

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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.