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Finding the Fourth Proportional to 234,842.93, 324,079.17 and 142,928.94

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Solution

The fourth proportional to 234,842.93, 324,079.17 and 142,928.94 is: 197,239.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,842.93 : 324,079.17 = 142,928.94 : x
  2. Step 2: Convert to fraction form
    234,842.93/324,079.17 = 142,928.94/x
  3. Step 3: Cross multiply
    234,842.93x = 324,079.17 × 142,928.94
  4. Step 4: Simplify right side
    234,842.93x = 46,320,292,244.18
  5. Step 5: Solve for x
    x = 46,320,292,244.18/234,842.93
  6. Step 6: Final answer
    x = 197,239.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.