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Finding the Fourth Proportional to 173,457.47, 239,383.41 and 96,991.46

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Solution

The fourth proportional to 173,457.47, 239,383.41 and 96,991.46 is: 133,854.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,457.47 : 239,383.41 = 96,991.46 : x
  2. Step 2: Convert to fraction form
    173,457.47/239,383.41 = 96,991.46/x
  3. Step 3: Cross multiply
    173,457.47x = 239,383.41 × 96,991.46
  4. Step 4: Simplify right side
    173,457.47x = 23,218,146,435.68
  5. Step 5: Solve for x
    x = 23,218,146,435.68/173,457.47
  6. Step 6: Final answer
    x = 133,854.98

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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.