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Finding the Fourth Proportional to 59,745.30, 89,666.55 and 57,801.30

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Solution

The fourth proportional to 59,745.30, 89,666.55 and 57,801.30 is: 86,748.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,745.30 : 89,666.55 = 57,801.30 : x
  2. Step 2: Convert to fraction form
    59,745.30/89,666.55 = 57,801.30/x
  3. Step 3: Cross multiply
    59,745.30x = 89,666.55 × 57,801.30
  4. Step 4: Simplify right side
    59,745.30x = 5,182,843,156.52
  5. Step 5: Solve for x
    x = 5,182,843,156.52/59,745.30
  6. Step 6: Final answer
    x = 86,748.97

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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.