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Finding the Fourth Proportional to 224,884, 310,335.76 and 124,279.84

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Solution

The fourth proportional to 224,884, 310,335.76 and 124,279.84 is: 171,503.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,884 : 310,335.76 = 124,279.84 : x
  2. Step 2: Convert to fraction form
    224,884/310,335.76 = 124,279.84/x
  3. Step 3: Cross multiply
    224,884x = 310,335.76 × 124,279.84
  4. Step 4: Simplify right side
    224,884x = 38,568,478,599.08
  5. Step 5: Solve for x
    x = 38,568,478,599.08/224,884
  6. Step 6: Final answer
    x = 171,503.88

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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.