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Finding the Fourth Proportional to 173,444.88, 239,358.60 and 97,991.76

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Solution

The fourth proportional to 173,444.88, 239,358.60 and 97,991.76 is: 135,231.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,444.88 : 239,358.60 = 97,991.76 : x
  2. Step 2: Convert to fraction form
    173,444.88/239,358.60 = 97,991.76/x
  3. Step 3: Cross multiply
    173,444.88x = 239,358.60 × 97,991.76
  4. Step 4: Simplify right side
    173,444.88x = 23,455,170,485.14
  5. Step 5: Solve for x
    x = 23,455,170,485.14/173,444.88
  6. Step 6: Final answer
    x = 135,231.26

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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.