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Finding the Fourth Proportional to 336,145.30, 504,205.80 and 136,460.05

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Solution

The fourth proportional to 336,145.30, 504,205.80 and 136,460.05 is: 204,685.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,145.30 : 504,205.80 = 136,460.05 : x
  2. Step 2: Convert to fraction form
    336,145.30/504,205.80 = 136,460.05/x
  3. Step 3: Cross multiply
    336,145.30x = 504,205.80 × 136,460.05
  4. Step 4: Simplify right side
    336,145.30x = 68,803,948,678.29
  5. Step 5: Solve for x
    x = 68,803,948,678.29/336,145.30
  6. Step 6: Final answer
    x = 204,685.14

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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.