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Finding the Fourth Proportional to 168,692.51, 253,064.69 and 56,337.95

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Solution

The fourth proportional to 168,692.51, 253,064.69 and 56,337.95 is: 84,515.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,692.51 : 253,064.69 = 56,337.95 : x
  2. Step 2: Convert to fraction form
    168,692.51/253,064.69 = 56,337.95/x
  3. Step 3: Cross multiply
    168,692.51x = 253,064.69 × 56,337.95
  4. Step 4: Simplify right side
    168,692.51x = 14,257,145,851.99
  5. Step 5: Solve for x
    x = 14,257,145,851.99/168,692.51
  6. Step 6: Final answer
    x = 84,515.58

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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.