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Finding the Fourth Proportional to 104,147.99, 156,116.79 and 41,012.42

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Solution

The fourth proportional to 104,147.99, 156,116.79 and 41,012.42 is: 61,477.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,147.99 : 156,116.79 = 41,012.42 : x
  2. Step 2: Convert to fraction form
    104,147.99/156,116.79 = 41,012.42/x
  3. Step 3: Cross multiply
    104,147.99x = 156,116.79 × 41,012.42
  4. Step 4: Simplify right side
    104,147.99x = 6,402,727,360.53
  5. Step 5: Solve for x
    x = 6,402,727,360.53/104,147.99
  6. Step 6: Final answer
    x = 61,477.21

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1.5x scale

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.