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Finding the Fourth Proportional to 173,076.40, 259,760.40 and 67,970.80

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Solution

The fourth proportional to 173,076.40, 259,760.40 and 67,970.80 is: 102,013.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,076.40 : 259,760.40 = 67,970.80 : x
  2. Step 2: Convert to fraction form
    173,076.40/259,760.40 = 67,970.80/x
  3. Step 3: Cross multiply
    173,076.40x = 259,760.40 × 67,970.80
  4. Step 4: Simplify right side
    173,076.40x = 17,656,122,196.32
  5. Step 5: Solve for x
    x = 17,656,122,196.32/173,076.40
  6. Step 6: Final answer
    x = 102,013.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.