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Finding the Fourth Proportional to 344,725.42, 517,090.42 and 120,090.10

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Solution

The fourth proportional to 344,725.42, 517,090.42 and 120,090.10 is: 180,135.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,725.42 : 517,090.42 = 120,090.10 : x
  2. Step 2: Convert to fraction form
    344,725.42/517,090.42 = 120,090.10/x
  3. Step 3: Cross multiply
    344,725.42x = 517,090.42 × 120,090.10
  4. Step 4: Simplify right side
    344,725.42x = 62,097,440,246.84
  5. Step 5: Solve for x
    x = 62,097,440,246.84/344,725.42
  6. Step 6: Final answer
    x = 180,135.95

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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.