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Finding the Fourth Proportional to 86,539.75, 119,424.86 and 46,795.75

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Solution

The fourth proportional to 86,539.75, 119,424.86 and 46,795.75 is: 64,578.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,539.75 : 119,424.86 = 46,795.75 : x
  2. Step 2: Convert to fraction form
    86,539.75/119,424.86 = 46,795.75/x
  3. Step 3: Cross multiply
    86,539.75x = 119,424.86 × 46,795.75
  4. Step 4: Simplify right side
    86,539.75x = 5,588,575,892.35
  5. Step 5: Solve for x
    x = 5,588,575,892.35/86,539.75
  6. Step 6: Final answer
    x = 64,578.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.