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Finding the Fourth Proportional to 339,141.51, 508,325.28 and 136,607.93

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Solution

The fourth proportional to 339,141.51, 508,325.28 and 136,607.93 is: 204,756.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,141.51 : 508,325.28 = 136,607.93 : x
  2. Step 2: Convert to fraction form
    339,141.51/508,325.28 = 136,607.93/x
  3. Step 3: Cross multiply
    339,141.51x = 508,325.28 × 136,607.93
  4. Step 4: Simplify right side
    339,141.51x = 69,441,261,725.84
  5. Step 5: Solve for x
    x = 69,441,261,725.84/339,141.51
  6. Step 6: Final answer
    x = 204,756.01

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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.