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Finding the Fourth Proportional to 173,409.50, 239,324.56 and 97,962.86

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Solution

The fourth proportional to 173,409.50, 239,324.56 and 97,962.86 is: 135,199.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,409.50 : 239,324.56 = 97,962.86 : x
  2. Step 2: Convert to fraction form
    173,409.50/239,324.56 = 97,962.86/x
  3. Step 3: Cross multiply
    173,409.50x = 239,324.56 × 97,962.86
  4. Step 4: Simplify right side
    173,409.50x = 23,444,918,365.84
  5. Step 5: Solve for x
    x = 23,444,918,365.84/173,409.50
  6. Step 6: Final answer
    x = 135,199.73

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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.