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Finding the Fourth Proportional to 106,562.56, 147,056.02 and 58,815.58

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Solution

The fourth proportional to 106,562.56, 147,056.02 and 58,815.58 is: 81,165.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,562.56 : 147,056.02 = 58,815.58 : x
  2. Step 2: Convert to fraction form
    106,562.56/147,056.02 = 58,815.58/x
  3. Step 3: Cross multiply
    106,562.56x = 147,056.02 × 58,815.58
  4. Step 4: Simplify right side
    106,562.56x = 8,649,185,108.79
  5. Step 5: Solve for x
    x = 8,649,185,108.79/106,562.56
  6. Step 6: Final answer
    x = 81,165.33

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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.