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Finding the Fourth Proportional to 186,496.04, 279,743.81 and 86,601.61

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Solution

The fourth proportional to 186,496.04, 279,743.81 and 86,601.61 is: 129,902.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,496.04 : 279,743.81 = 86,601.61 : x
  2. Step 2: Convert to fraction form
    186,496.04/279,743.81 = 86,601.61/x
  3. Step 3: Cross multiply
    186,496.04x = 279,743.81 × 86,601.61
  4. Step 4: Simplify right side
    186,496.04x = 24,226,264,333.53
  5. Step 5: Solve for x
    x = 24,226,264,333.53/186,496.04
  6. Step 6: Final answer
    x = 129,902.30

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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.