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Finding the Fourth Proportional to 59,376.30, 89,064.45 and 56,751.90

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Solution

The fourth proportional to 59,376.30, 89,064.45 and 56,751.90 is: 85,127.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,376.30 : 89,064.45 = 56,751.90 : x
  2. Step 2: Convert to fraction form
    59,376.30/89,064.45 = 56,751.90/x
  3. Step 3: Cross multiply
    59,376.30x = 89,064.45 × 56,751.90
  4. Step 4: Simplify right side
    59,376.30x = 5,054,576,759.96
  5. Step 5: Solve for x
    x = 5,054,576,759.96/59,376.30
  6. Step 6: Final answer
    x = 85,127.85

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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.