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Finding the Fourth Proportional to 104,145.99, 156,113.79 and 41,010.42

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Solution

The fourth proportional to 104,145.99, 156,113.79 and 41,010.42 is: 61,474.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,145.99 : 156,113.79 = 41,010.42 : x
  2. Step 2: Convert to fraction form
    104,145.99/156,113.79 = 41,010.42/x
  3. Step 3: Cross multiply
    104,145.99x = 156,113.79 × 41,010.42
  4. Step 4: Simplify right side
    104,145.99x = 6,402,292,095.69
  5. Step 5: Solve for x
    x = 6,402,292,095.69/104,145.99
  6. Step 6: Final answer
    x = 61,474.21

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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.