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Finding the Fourth Proportional to 169,998.30, 234,605.59 and 98,364.47

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Solution

The fourth proportional to 169,998.30, 234,605.59 and 98,364.47 is: 135,747.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,998.30 : 234,605.59 = 98,364.47 : x
  2. Step 2: Convert to fraction form
    169,998.30/234,605.59 = 98,364.47/x
  3. Step 3: Cross multiply
    169,998.30x = 234,605.59 × 98,364.47
  4. Step 4: Simplify right side
    169,998.30x = 23,076,854,519.39
  5. Step 5: Solve for x
    x = 23,076,854,519.39/169,998.30
  6. Step 6: Final answer
    x = 135,747.56

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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.