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Finding the Fourth Proportional to 107,093.42, 147,787.15 and 58,694.98

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Solution

The fourth proportional to 107,093.42, 147,787.15 and 58,694.98 is: 80,998.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,093.42 : 147,787.15 = 58,694.98 : x
  2. Step 2: Convert to fraction form
    107,093.42/147,787.15 = 58,694.98/x
  3. Step 3: Cross multiply
    107,093.42x = 147,787.15 × 58,694.98
  4. Step 4: Simplify right side
    107,093.42x = 8,674,363,813.51
  5. Step 5: Solve for x
    x = 8,674,363,813.51/107,093.42
  6. Step 6: Final answer
    x = 80,998.10

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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.