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Finding the Fourth Proportional to 186,168.30, 279,252.45 and 136,596.30

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Solution

The fourth proportional to 186,168.30, 279,252.45 and 136,596.30 is: 204,894.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,168.30 : 279,252.45 = 136,596.30 : x
  2. Step 2: Convert to fraction form
    186,168.30/279,252.45 = 136,596.30/x
  3. Step 3: Cross multiply
    186,168.30x = 279,252.45 × 136,596.30
  4. Step 4: Simplify right side
    186,168.30x = 38,144,851,435.94
  5. Step 5: Solve for x
    x = 38,144,851,435.94/186,168.30
  6. Step 6: Final answer
    x = 204,894.45

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1.5x scale

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.