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Finding the Fourth Proportional to 86,539, 119,423.84 and 46,795

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Solution

The fourth proportional to 86,539, 119,423.84 and 46,795 is: 64,577.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,539 : 119,423.84 = 46,795 : x
  2. Step 2: Convert to fraction form
    86,539/119,423.84 = 46,795/x
  3. Step 3: Cross multiply
    86,539x = 119,423.84 × 46,795
  4. Step 4: Simplify right side
    86,539x = 5,588,438,592.80
  5. Step 5: Solve for x
    x = 5,588,438,592.80/86,539
  6. Step 6: Final answer
    x = 64,577.11

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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.