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Finding the Fourth Proportional to 236,606.08, 354,832.96 and 78,792.16

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Solution

The fourth proportional to 236,606.08, 354,832.96 and 78,792.16 is: 118,162.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,606.08 : 354,832.96 = 78,792.16 : x
  2. Step 2: Convert to fraction form
    236,606.08/354,832.96 = 78,792.16/x
  3. Step 3: Cross multiply
    236,606.08x = 354,832.96 × 78,792.16
  4. Step 4: Simplify right side
    236,606.08x = 27,958,055,357.59
  5. Step 5: Solve for x
    x = 27,958,055,357.59/236,606.08
  6. Step 6: Final answer
    x = 118,162.88

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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.