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Finding the Fourth Proportional to 173,277.76, 239,101.60 and 96,778.56

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Solution

The fourth proportional to 173,277.76, 239,101.60 and 96,778.56 is: 133,542.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,277.76 : 239,101.60 = 96,778.56 : x
  2. Step 2: Convert to fraction form
    173,277.76/239,101.60 = 96,778.56/x
  3. Step 3: Cross multiply
    173,277.76x = 239,101.60 × 96,778.56
  4. Step 4: Simplify right side
    173,277.76x = 23,139,908,541.70
  5. Step 5: Solve for x
    x = 23,139,908,541.70/173,277.76
  6. Step 6: Final answer
    x = 133,542.29

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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.