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Finding the Fourth Proportional to 106,558.56, 147,050.51 and 58,811.57

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Solution

The fourth proportional to 106,558.56, 147,050.51 and 58,811.57 is: 81,159.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,558.56 : 147,050.51 = 58,811.57 : x
  2. Step 2: Convert to fraction form
    106,558.56/147,050.51 = 58,811.57/x
  3. Step 3: Cross multiply
    106,558.56x = 147,050.51 × 58,811.57
  4. Step 4: Simplify right side
    106,558.56x = 8,648,270,333.09
  5. Step 5: Solve for x
    x = 8,648,270,333.09/106,558.56
  6. Step 6: Final answer
    x = 81,159.79

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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.