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Finding the Fourth Proportional to 173,361.34, 239,243.39 and 97,909.84

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Solution

The fourth proportional to 173,361.34, 239,243.39 and 97,909.84 is: 135,118.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,361.34 : 239,243.39 = 97,909.84 : x
  2. Step 2: Convert to fraction form
    173,361.34/239,243.39 = 97,909.84/x
  3. Step 3: Cross multiply
    173,361.34x = 239,243.39 × 97,909.84
  4. Step 4: Simplify right side
    173,361.34x = 23,424,282,035.96
  5. Step 5: Solve for x
    x = 23,424,282,035.96/173,361.34
  6. Step 6: Final answer
    x = 135,118.26

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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.