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Finding the Fourth Proportional to 124,337.70, 171,585.99 and 67,749.03

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Solution

The fourth proportional to 124,337.70, 171,585.99 and 67,749.03 is: 93,493.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,337.70 : 171,585.99 = 67,749.03 : x
  2. Step 2: Convert to fraction form
    124,337.70/171,585.99 = 67,749.03/x
  3. Step 3: Cross multiply
    124,337.70x = 171,585.99 × 67,749.03
  4. Step 4: Simplify right side
    124,337.70x = 11,624,784,384.09
  5. Step 5: Solve for x
    x = 11,624,784,384.09/124,337.70
  6. Step 6: Final answer
    x = 93,493.64

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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.