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Finding the Fourth Proportional to 113,516.34, 156,652.50 and 65,797.35

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Solution

The fourth proportional to 113,516.34, 156,652.50 and 65,797.35 is: 90,800.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,516.34 : 156,652.50 = 65,797.35 : x
  2. Step 2: Convert to fraction form
    113,516.34/156,652.50 = 65,797.35/x
  3. Step 3: Cross multiply
    113,516.34x = 156,652.50 × 65,797.35
  4. Step 4: Simplify right side
    113,516.34x = 10,307,319,370.88
  5. Step 5: Solve for x
    x = 10,307,319,370.88/113,516.34
  6. Step 6: Final answer
    x = 90,800.31

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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.