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Finding the Fourth Proportional to 53,148.70, 79,723.05 and 44,692.30

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Solution

The fourth proportional to 53,148.70, 79,723.05 and 44,692.30 is: 67,038.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,148.70 : 79,723.05 = 44,692.30 : x
  2. Step 2: Convert to fraction form
    53,148.70/79,723.05 = 44,692.30/x
  3. Step 3: Cross multiply
    53,148.70x = 79,723.05 × 44,692.30
  4. Step 4: Simplify right side
    53,148.70x = 3,563,006,467.52
  5. Step 5: Solve for x
    x = 3,563,006,467.52/53,148.70
  6. Step 6: Final answer
    x = 67,038.45

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Similar ratio
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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.