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Finding the Fourth Proportional to 86,593.93, 129,904.53 and 36,674.35

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Solution

The fourth proportional to 86,593.93, 129,904.53 and 36,674.35 is: 55,017.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,593.93 : 129,904.53 = 36,674.35 : x
  2. Step 2: Convert to fraction form
    86,593.93/129,904.53 = 36,674.35/x
  3. Step 3: Cross multiply
    86,593.93x = 129,904.53 × 36,674.35
  4. Step 4: Simplify right side
    86,593.93x = 4,764,164,199.81
  5. Step 5: Solve for x
    x = 4,764,164,199.81/86,593.93
  6. Step 6: Final answer
    x = 55,017.30

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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.