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Finding the Fourth Proportional to 124,482.56, 171,787.64 and 67,893.93

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Solution

The fourth proportional to 124,482.56, 171,787.64 and 67,893.93 is: 93,694.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,482.56 : 171,787.64 = 67,893.93 : x
  2. Step 2: Convert to fraction form
    124,482.56/171,787.64 = 67,893.93/x
  3. Step 3: Cross multiply
    124,482.56x = 171,787.64 × 67,893.93
  4. Step 4: Simplify right side
    124,482.56x = 11,663,337,665.56
  5. Step 5: Solve for x
    x = 11,663,337,665.56/124,482.56
  6. Step 6: Final answer
    x = 93,694.56

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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.