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Finding the Fourth Proportional to 345,045.82, 517,575.66 and 92,325.91

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Solution

The fourth proportional to 345,045.82, 517,575.66 and 92,325.91 is: 138,490.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,045.82 : 517,575.66 = 92,325.91 : x
  2. Step 2: Convert to fraction form
    345,045.82/517,575.66 = 92,325.91/x
  3. Step 3: Cross multiply
    345,045.82x = 517,575.66 × 92,325.91
  4. Step 4: Simplify right side
    345,045.82x = 47,785,643,953.72
  5. Step 5: Solve for x
    x = 47,785,643,953.72/345,045.82
  6. Step 6: Final answer
    x = 138,490.72

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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.