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Finding the Fourth Proportional to 186,164.33, 279,052.06 and 91,263.11

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Solution

The fourth proportional to 186,164.33, 279,052.06 and 91,263.11 is: 136,799.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,164.33 : 279,052.06 = 91,263.11 : x
  2. Step 2: Convert to fraction form
    186,164.33/279,052.06 = 91,263.11/x
  3. Step 3: Cross multiply
    186,164.33x = 279,052.06 × 91,263.11
  4. Step 4: Simplify right side
    186,164.33x = 25,467,158,847.51
  5. Step 5: Solve for x
    x = 25,467,158,847.51/186,164.33
  6. Step 6: Final answer
    x = 136,799.35

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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.