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Finding the Fourth Proportional to 163,778.88, 245,692.89 and 58,573.20

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Solution

The fourth proportional to 163,778.88, 245,692.89 and 58,573.20 is: 87,868.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,778.88 : 245,692.89 = 58,573.20 : x
  2. Step 2: Convert to fraction form
    163,778.88/245,692.89 = 58,573.20/x
  3. Step 3: Cross multiply
    163,778.88x = 245,692.89 × 58,573.20
  4. Step 4: Simplify right side
    163,778.88x = 14,391,018,784.55
  5. Step 5: Solve for x
    x = 14,391,018,784.55/163,778.88
  6. Step 6: Final answer
    x = 87,868.59

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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.