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Finding the Fourth Proportional to 86,323, 129,484.54 and 23,994.04

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Solution

The fourth proportional to 86,323, 129,484.54 and 23,994.04 is: 35,991.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,323 : 129,484.54 = 23,994.04 : x
  2. Step 2: Convert to fraction form
    86,323/129,484.54 = 23,994.04/x
  3. Step 3: Cross multiply
    86,323x = 129,484.54 × 23,994.04
  4. Step 4: Simplify right side
    86,323x = 3,106,857,232.14
  5. Step 5: Solve for x
    x = 3,106,857,232.14/86,323
  6. Step 6: Final answer
    x = 35,991.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.