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Finding the Fourth Proportional to 106,446.56, 146,924.52 and 62,877.32

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Solution

The fourth proportional to 106,446.56, 146,924.52 and 62,877.32 is: 86,787.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,446.56 : 146,924.52 = 62,877.32 : x
  2. Step 2: Convert to fraction form
    106,446.56/146,924.52 = 62,877.32/x
  3. Step 3: Cross multiply
    106,446.56x = 146,924.52 × 62,877.32
  4. Step 4: Simplify right side
    106,446.56x = 9,238,220,059.89
  5. Step 5: Solve for x
    x = 9,238,220,059.89/106,446.56
  6. Step 6: Final answer
    x = 86,787.40

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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.