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Finding the Fourth Proportional to 86,525.32, 129,811.04 and 27,362.08

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Solution

The fourth proportional to 86,525.32, 129,811.04 and 27,362.08 is: 41,050.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,525.32 : 129,811.04 = 27,362.08 : x
  2. Step 2: Convert to fraction form
    86,525.32/129,811.04 = 27,362.08/x
  3. Step 3: Cross multiply
    86,525.32x = 129,811.04 × 27,362.08
  4. Step 4: Simplify right side
    86,525.32x = 3,551,900,061.36
  5. Step 5: Solve for x
    x = 3,551,900,061.36/86,525.32
  6. Step 6: Final answer
    x = 41,050.41

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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.