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Finding the Fourth Proportional to 58,162.64, 86,849.96 and 46,181.98

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Solution

The fourth proportional to 58,162.64, 86,849.96 and 46,181.98 is: 68,960.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,162.64 : 86,849.96 = 46,181.98 : x
  2. Step 2: Convert to fraction form
    58,162.64/86,849.96 = 46,181.98/x
  3. Step 3: Cross multiply
    58,162.64x = 86,849.96 × 46,181.98
  4. Step 4: Simplify right side
    58,162.64x = 4,010,903,115.72
  5. Step 5: Solve for x
    x = 4,010,903,115.72/58,162.64
  6. Step 6: Final answer
    x = 68,960.13

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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.