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Finding the Fourth Proportional to 144,812.21, 217,018.44 and 104,509.74

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Solution

The fourth proportional to 144,812.21, 217,018.44 and 104,509.74 is: 156,620.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,812.21 : 217,018.44 = 104,509.74 : x
  2. Step 2: Convert to fraction form
    144,812.21/217,018.44 = 104,509.74/x
  3. Step 3: Cross multiply
    144,812.21x = 217,018.44 × 104,509.74
  4. Step 4: Simplify right side
    144,812.21x = 22,680,541,553.42
  5. Step 5: Solve for x
    x = 22,680,541,553.42/144,812.21
  6. Step 6: Final answer
    x = 156,620.37

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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.