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Finding the Fourth Proportional to 75,777.67, 104,554.90 and 48,914.43

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Solution

The fourth proportional to 75,777.67, 104,554.90 and 48,914.43 is: 67,490.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,777.67 : 104,554.90 = 48,914.43 : x
  2. Step 2: Convert to fraction form
    75,777.67/104,554.90 = 48,914.43/x
  3. Step 3: Cross multiply
    75,777.67x = 104,554.90 × 48,914.43
  4. Step 4: Simplify right side
    75,777.67x = 5,114,242,692.15
  5. Step 5: Solve for x
    x = 5,114,242,692.15/75,777.67
  6. Step 6: Final answer
    x = 67,490.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.