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Finding the Fourth Proportional to 179,223.40, 268,980.90 and 173,391.40

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Solution

The fourth proportional to 179,223.40, 268,980.90 and 173,391.40 is: 260,228.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,223.40 : 268,980.90 = 173,391.40 : x
  2. Step 2: Convert to fraction form
    179,223.40/268,980.90 = 173,391.40/x
  3. Step 3: Cross multiply
    179,223.40x = 268,980.90 × 173,391.40
  4. Step 4: Simplify right side
    179,223.40x = 46,638,974,824.26
  5. Step 5: Solve for x
    x = 46,638,974,824.26/179,223.40
  6. Step 6: Final answer
    x = 260,228.16

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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.