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Finding the Fourth Proportional to 169,998.93, 234,606.45 and 98,365.09

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Solution

The fourth proportional to 169,998.93, 234,606.45 and 98,365.09 is: 135,748.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,998.93 : 234,606.45 = 98,365.09 : x
  2. Step 2: Convert to fraction form
    169,998.93/234,606.45 = 98,365.09/x
  3. Step 3: Cross multiply
    169,998.93x = 234,606.45 × 98,365.09
  4. Step 4: Simplify right side
    169,998.93x = 23,077,084,568.83
  5. Step 5: Solve for x
    x = 23,077,084,568.83/169,998.93
  6. Step 6: Final answer
    x = 135,748.41

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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.