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Finding the Fourth Proportional to 113,513.40, 170,294.40 and 34,635.60

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Solution

The fourth proportional to 113,513.40, 170,294.40 and 34,635.60 is: 51,960.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,513.40 : 170,294.40 = 34,635.60 : x
  2. Step 2: Convert to fraction form
    113,513.40/170,294.40 = 34,635.60/x
  3. Step 3: Cross multiply
    113,513.40x = 170,294.40 × 34,635.60
  4. Step 4: Simplify right side
    113,513.40x = 5,898,248,720.64
  5. Step 5: Solve for x
    x = 5,898,248,720.64/113,513.40
  6. Step 6: Final answer
    x = 51,960.81

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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.