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Finding the Fourth Proportional to 58,175.70, 86,869.46 and 46,195.02

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Solution

The fourth proportional to 58,175.70, 86,869.46 and 46,195.02 is: 68,979.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,175.70 : 86,869.46 = 46,195.02 : x
  2. Step 2: Convert to fraction form
    58,175.70/86,869.46 = 46,195.02/x
  3. Step 3: Cross multiply
    58,175.70x = 86,869.46 × 46,195.02
  4. Step 4: Simplify right side
    58,175.70x = 4,012,936,211.11
  5. Step 5: Solve for x
    x = 4,012,936,211.11/58,175.70
  6. Step 6: Final answer
    x = 68,979.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.