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Finding the Fourth Proportional to 113,527.50, 156,672.81 and 63,226.50

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Solution

The fourth proportional to 113,527.50, 156,672.81 and 63,226.50 is: 87,255.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,527.50 : 156,672.81 = 63,226.50 : x
  2. Step 2: Convert to fraction form
    113,527.50/156,672.81 = 63,226.50/x
  3. Step 3: Cross multiply
    113,527.50x = 156,672.81 × 63,226.50
  4. Step 4: Simplify right side
    113,527.50x = 9,905,873,421.47
  5. Step 5: Solve for x
    x = 9,905,873,421.47/113,527.50
  6. Step 6: Final answer
    x = 87,255.28

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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.