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Finding the Fourth Proportional to 106,641.88, 147,165.30 and 58,895.02

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Solution

The fourth proportional to 106,641.88, 147,165.30 and 58,895.02 is: 81,274.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,641.88 : 147,165.30 = 58,895.02 : x
  2. Step 2: Convert to fraction form
    106,641.88/147,165.30 = 58,895.02/x
  3. Step 3: Cross multiply
    106,641.88x = 147,165.30 × 58,895.02
  4. Step 4: Simplify right side
    106,641.88x = 8,667,303,286.81
  5. Step 5: Solve for x
    x = 8,667,303,286.81/106,641.88
  6. Step 6: Final answer
    x = 81,274.85

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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.