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Finding the Fourth Proportional to 234,950.72, 324,232.28 and 127,520.72

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Solution

The fourth proportional to 234,950.72, 324,232.28 and 127,520.72 is: 175,978.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,950.72 : 324,232.28 = 127,520.72 : x
  2. Step 2: Convert to fraction form
    234,950.72/324,232.28 = 127,520.72/x
  3. Step 3: Cross multiply
    234,950.72x = 324,232.28 × 127,520.72
  4. Step 4: Simplify right side
    234,950.72x = 41,346,333,792.84
  5. Step 5: Solve for x
    x = 41,346,333,792.84/234,950.72
  6. Step 6: Final answer
    x = 175,978.75

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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.