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Finding the Fourth Proportional to 105,250.63, 145,246.02 and 59,928.63

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Solution

The fourth proportional to 105,250.63, 145,246.02 and 59,928.63 is: 82,701.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,250.63 : 145,246.02 = 59,928.63 : x
  2. Step 2: Convert to fraction form
    105,250.63/145,246.02 = 59,928.63/x
  3. Step 3: Cross multiply
    105,250.63x = 145,246.02 × 59,928.63
  4. Step 4: Simplify right side
    105,250.63x = 8,704,393,965.68
  5. Step 5: Solve for x
    x = 8,704,393,965.68/105,250.63
  6. Step 6: Final answer
    x = 82,701.59

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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.