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Finding the Fourth Proportional to 145,998.96, 218,997.09 and 46,159.17

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Solution

The fourth proportional to 145,998.96, 218,997.09 and 46,159.17 is: 69,238.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,998.96 : 218,997.09 = 46,159.17 : x
  2. Step 2: Convert to fraction form
    145,998.96/218,997.09 = 46,159.17/x
  3. Step 3: Cross multiply
    145,998.96x = 218,997.09 × 46,159.17
  4. Step 4: Simplify right side
    145,998.96x = 10,108,723,906.82
  5. Step 5: Solve for x
    x = 10,108,723,906.82/145,998.96
  6. Step 6: Final answer
    x = 69,238.33

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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.