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Finding the Fourth Proportional to 357,692.50, 536,621.67 and 104,962.66

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Solution

The fourth proportional to 357,692.50, 536,621.67 and 104,962.66 is: 157,468.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,692.50 : 536,621.67 = 104,962.66 : x
  2. Step 2: Convert to fraction form
    357,692.50/536,621.67 = 104,962.66/x
  3. Step 3: Cross multiply
    357,692.50x = 536,621.67 × 104,962.66
  4. Step 4: Simplify right side
    357,692.50x = 56,325,237,896.84
  5. Step 5: Solve for x
    x = 56,325,237,896.84/357,692.50
  6. Step 6: Final answer
    x = 157,468.32

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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.