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Finding the Fourth Proportional to 106,137.37, 146,468.01 and 58,387.87

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Solution

The fourth proportional to 106,137.37, 146,468.01 and 58,387.87 is: 80,574.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,137.37 : 146,468.01 = 58,387.87 : x
  2. Step 2: Convert to fraction form
    106,137.37/146,468.01 = 58,387.87/x
  3. Step 3: Cross multiply
    106,137.37x = 146,468.01 × 58,387.87
  4. Step 4: Simplify right side
    106,137.37x = 8,551,955,127.04
  5. Step 5: Solve for x
    x = 8,551,955,127.04/106,137.37
  6. Step 6: Final answer
    x = 80,574.40

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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.