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Finding the Fourth Proportional to 248,671.89, 343,157.94 and 152,037.63

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Solution

The fourth proportional to 248,671.89, 343,157.94 and 152,037.63 is: 209,806.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,671.89 : 343,157.94 = 152,037.63 : x
  2. Step 2: Convert to fraction form
    248,671.89/343,157.94 = 152,037.63/x
  3. Step 3: Cross multiply
    248,671.89x = 343,157.94 × 152,037.63
  4. Step 4: Simplify right side
    248,671.89x = 52,172,919,913.28
  5. Step 5: Solve for x
    x = 52,172,919,913.28/248,671.89
  6. Step 6: Final answer
    x = 209,806.26

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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.