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Finding the Fourth Proportional to 106,675.56, 147,211.80 and 58,928.92

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Solution

The fourth proportional to 106,675.56, 147,211.80 and 58,928.92 is: 81,321.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,675.56 : 147,211.80 = 58,928.92 : x
  2. Step 2: Convert to fraction form
    106,675.56/147,211.80 = 58,928.92/x
  3. Step 3: Cross multiply
    106,675.56x = 147,211.80 × 58,928.92
  4. Step 4: Simplify right side
    106,675.56x = 8,675,032,293.46
  5. Step 5: Solve for x
    x = 8,675,032,293.46/106,675.56
  6. Step 6: Final answer
    x = 81,321.65

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1.5x scale

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.