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Finding the Fourth Proportional to 229,348.66, 343,886.72 and 87,204.33

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Solution

The fourth proportional to 229,348.66, 343,886.72 and 87,204.33 is: 130,754.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,348.66 : 343,886.72 = 87,204.33 : x
  2. Step 2: Convert to fraction form
    229,348.66/343,886.72 = 87,204.33/x
  3. Step 3: Cross multiply
    229,348.66x = 343,886.72 × 87,204.33
  4. Step 4: Simplify right side
    229,348.66x = 29,988,410,577.48
  5. Step 5: Solve for x
    x = 29,988,410,577.48/229,348.66
  6. Step 6: Final answer
    x = 130,754.68

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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.