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Finding the Fourth Proportional to 341,438.56, 512,095.92 and 92,062.24

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Solution

The fourth proportional to 341,438.56, 512,095.92 and 92,062.24 is: 138,076.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,438.56 : 512,095.92 = 92,062.24 : x
  2. Step 2: Convert to fraction form
    341,438.56/512,095.92 = 92,062.24/x
  3. Step 3: Cross multiply
    341,438.56x = 512,095.92 × 92,062.24
  4. Step 4: Simplify right side
    341,438.56x = 47,144,697,490.06
  5. Step 5: Solve for x
    x = 47,144,697,490.06/341,438.56
  6. Step 6: Final answer
    x = 138,076.66

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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.