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Finding the Fourth Proportional to 244,507.94, 337,420.70 and 137,078

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Solution

The fourth proportional to 244,507.94, 337,420.70 and 137,078 is: 189,167.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,507.94 : 337,420.70 = 137,078 : x
  2. Step 2: Convert to fraction form
    244,507.94/337,420.70 = 137,078/x
  3. Step 3: Cross multiply
    244,507.94x = 337,420.70 × 137,078
  4. Step 4: Simplify right side
    244,507.94x = 46,252,954,714.60
  5. Step 5: Solve for x
    x = 46,252,954,714.60/244,507.94
  6. Step 6: Final answer
    x = 189,167.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.