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Finding the Fourth Proportional to 117,497.79, 176,240.48 and 72,527.67

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Solution

The fourth proportional to 117,497.79, 176,240.48 and 72,527.67 is: 108,787.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,497.79 : 176,240.48 = 72,527.67 : x
  2. Step 2: Convert to fraction form
    117,497.79/176,240.48 = 72,527.67/x
  3. Step 3: Cross multiply
    117,497.79x = 176,240.48 × 72,527.67
  4. Step 4: Simplify right side
    117,497.79x = 12,782,311,011.44
  5. Step 5: Solve for x
    x = 12,782,311,011.44/117,497.79
  6. Step 6: Final answer
    x = 108,787.67

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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.