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Finding the Fourth Proportional to 60,232.29, 90,431.19 and 30,669.99

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Solution

The fourth proportional to 60,232.29, 90,431.19 and 30,669.99 is: 46,047.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,232.29 : 90,431.19 = 30,669.99 : x
  2. Step 2: Convert to fraction form
    60,232.29/90,431.19 = 30,669.99/x
  3. Step 3: Cross multiply
    60,232.29x = 90,431.19 × 30,669.99
  4. Step 4: Simplify right side
    60,232.29x = 2,773,523,692.99
  5. Step 5: Solve for x
    x = 2,773,523,692.99/60,232.29
  6. Step 6: Final answer
    x = 46,047.12

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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.