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Finding the Fourth Proportional to 58,935.40, 88,305.90 and 50,576.20

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Solution

The fourth proportional to 58,935.40, 88,305.90 and 50,576.20 is: 75,780.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,935.40 : 88,305.90 = 50,576.20 : x
  2. Step 2: Convert to fraction form
    58,935.40/88,305.90 = 50,576.20/x
  3. Step 3: Cross multiply
    58,935.40x = 88,305.90 × 50,576.20
  4. Step 4: Simplify right side
    58,935.40x = 4,466,176,859.58
  5. Step 5: Solve for x
    x = 4,466,176,859.58/58,935.40
  6. Step 6: Final answer
    x = 75,780.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.