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Finding the Fourth Proportional to 173,359.71, 260,122.03 and 120,133.59

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Solution

The fourth proportional to 173,359.71, 260,122.03 and 120,133.59 is: 180,257.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,359.71 : 260,122.03 = 120,133.59 : x
  2. Step 2: Convert to fraction form
    173,359.71/260,122.03 = 120,133.59/x
  3. Step 3: Cross multiply
    173,359.71x = 260,122.03 × 120,133.59
  4. Step 4: Simplify right side
    173,359.71x = 31,249,393,301.99
  5. Step 5: Solve for x
    x = 31,249,393,301.99/173,359.71
  6. Step 6: Final answer
    x = 180,257.53

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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.