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Finding the Fourth Proportional to 336,042.93, 504,009.72 and 136,355.25

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Solution

The fourth proportional to 336,042.93, 504,009.72 and 136,355.25 is: 204,510.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,042.93 : 504,009.72 = 136,355.25 : x
  2. Step 2: Convert to fraction form
    336,042.93/504,009.72 = 136,355.25/x
  3. Step 3: Cross multiply
    336,042.93x = 504,009.72 × 136,355.25
  4. Step 4: Simplify right side
    336,042.93x = 68,724,371,373.03
  5. Step 5: Solve for x
    x = 68,724,371,373.03/336,042.93
  6. Step 6: Final answer
    x = 204,510.69

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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.