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Finding the Fourth Proportional to 173,340, 239,228.64 and 97,893.36

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Solution

The fourth proportional to 173,340, 239,228.64 and 97,893.36 is: 135,103.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,340 : 239,228.64 = 97,893.36 : x
  2. Step 2: Convert to fraction form
    173,340/239,228.64 = 97,893.36/x
  3. Step 3: Cross multiply
    173,340x = 239,228.64 × 97,893.36
  4. Step 4: Simplify right side
    173,340x = 23,418,895,377.83
  5. Step 5: Solve for x
    x = 23,418,895,377.83/173,340
  6. Step 6: Final answer
    x = 135,103.82

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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.