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Finding the Fourth Proportional to 220,124.50, 303,771.84 and 119,522.50

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Solution

The fourth proportional to 220,124.50, 303,771.84 and 119,522.50 is: 164,941.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,124.50 : 303,771.84 = 119,522.50 : x
  2. Step 2: Convert to fraction form
    220,124.50/303,771.84 = 119,522.50/x
  3. Step 3: Cross multiply
    220,124.50x = 303,771.84 × 119,522.50
  4. Step 4: Simplify right side
    220,124.50x = 36,307,569,746.40
  5. Step 5: Solve for x
    x = 36,307,569,746.40/220,124.50
  6. Step 6: Final answer
    x = 164,941.07

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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.