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Finding the Fourth Proportional to 234,275.28, 351,409.86 and 56,783.85

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Solution

The fourth proportional to 234,275.28, 351,409.86 and 56,783.85 is: 85,175.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,275.28 : 351,409.86 = 56,783.85 : x
  2. Step 2: Convert to fraction form
    234,275.28/351,409.86 = 56,783.85/x
  3. Step 3: Cross multiply
    234,275.28x = 351,409.86 × 56,783.85
  4. Step 4: Simplify right side
    234,275.28x = 19,954,404,778.76
  5. Step 5: Solve for x
    x = 19,954,404,778.76/234,275.28
  6. Step 6: Final answer
    x = 85,175.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.