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Finding the Fourth Proportional to 224,821.49, 310,244.40 and 122,850.45

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Solution

The fourth proportional to 224,821.49, 310,244.40 and 122,850.45 is: 169,528.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,821.49 : 310,244.40 = 122,850.45 : x
  2. Step 2: Convert to fraction form
    224,821.49/310,244.40 = 122,850.45/x
  3. Step 3: Cross multiply
    224,821.49x = 310,244.40 × 122,850.45
  4. Step 4: Simplify right side
    224,821.49x = 38,113,664,149.98
  5. Step 5: Solve for x
    x = 38,113,664,149.98/224,821.49
  6. Step 6: Final answer
    x = 169,528.57

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1.5x scale

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.