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Finding the Fourth Proportional to 186,286.64, 279,195.66 and 100,894.16

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Solution

The fourth proportional to 186,286.64, 279,195.66 and 100,894.16 is: 151,214.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,286.64 : 279,195.66 = 100,894.16 : x
  2. Step 2: Convert to fraction form
    186,286.64/279,195.66 = 100,894.16/x
  3. Step 3: Cross multiply
    186,286.64x = 279,195.66 × 100,894.16
  4. Step 4: Simplify right side
    186,286.64x = 28,169,210,718.86
  5. Step 5: Solve for x
    x = 28,169,210,718.86/186,286.64
  6. Step 6: Final answer
    x = 151,214.34

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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.