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Finding the Fourth Proportional to 66,086.10, 99,129.33 and 46,452.48

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Solution

The fourth proportional to 66,086.10, 99,129.33 and 46,452.48 is: 69,678.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,086.10 : 99,129.33 = 46,452.48 : x
  2. Step 2: Convert to fraction form
    66,086.10/99,129.33 = 46,452.48/x
  3. Step 3: Cross multiply
    66,086.10x = 99,129.33 × 46,452.48
  4. Step 4: Simplify right side
    66,086.10x = 4,604,803,219.24
  5. Step 5: Solve for x
    x = 4,604,803,219.24/66,086.10
  6. Step 6: Final answer
    x = 69,678.85

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.