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Finding the Fourth Proportional to 234,157.54, 323,104.68 and 130,792.90

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Solution

The fourth proportional to 234,157.54, 323,104.68 and 130,792.90 is: 180,475.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,157.54 : 323,104.68 = 130,792.90 : x
  2. Step 2: Convert to fraction form
    234,157.54/323,104.68 = 130,792.90/x
  3. Step 3: Cross multiply
    234,157.54x = 323,104.68 × 130,792.90
  4. Step 4: Simplify right side
    234,157.54x = 42,259,798,100.77
  5. Step 5: Solve for x
    x = 42,259,798,100.77/234,157.54
  6. Step 6: Final answer
    x = 180,475.92

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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.