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Finding the Fourth Proportional to 86,685.36, 119,625.36 and 46,941.36

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Solution

The fourth proportional to 86,685.36, 119,625.36 and 46,941.36 is: 64,778.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,685.36 : 119,625.36 = 46,941.36 : x
  2. Step 2: Convert to fraction form
    86,685.36/119,625.36 = 46,941.36/x
  3. Step 3: Cross multiply
    86,685.36x = 119,625.36 × 46,941.36
  4. Step 4: Simplify right side
    86,685.36x = 5,615,377,088.89
  5. Step 5: Solve for x
    x = 5,615,377,088.89/86,685.36
  6. Step 6: Final answer
    x = 64,778.84

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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.