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Finding the Fourth Proportional to 169,999.30, 234,606.97 and 98,365.47

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Solution

The fourth proportional to 169,999.30, 234,606.97 and 98,365.47 is: 135,748.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,999.30 : 234,606.97 = 98,365.47 : x
  2. Step 2: Convert to fraction form
    169,999.30/234,606.97 = 98,365.47/x
  3. Step 3: Cross multiply
    169,999.30x = 234,606.97 × 98,365.47
  4. Step 4: Simplify right side
    169,999.30x = 23,077,224,869.33
  5. Step 5: Solve for x
    x = 23,077,224,869.33/169,999.30
  6. Step 6: Final answer
    x = 135,748.94

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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.