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Finding the Fourth Proportional to 173,560.30, 239,510.02 and 98,108.80

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Solution

The fourth proportional to 173,560.30, 239,510.02 and 98,108.80 is: 135,388.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,560.30 : 239,510.02 = 98,108.80 : x
  2. Step 2: Convert to fraction form
    173,560.30/239,510.02 = 98,108.80/x
  3. Step 3: Cross multiply
    173,560.30x = 239,510.02 × 98,108.80
  4. Step 4: Simplify right side
    173,560.30x = 23,498,040,650.18
  5. Step 5: Solve for x
    x = 23,498,040,650.18/173,560.30
  6. Step 6: Final answer
    x = 135,388.34

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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.