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Finding the Fourth Proportional to 173,220.90, 259,807.05 and 54,904.20

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Solution

The fourth proportional to 173,220.90, 259,807.05 and 54,904.20 is: 82,348.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,220.90 : 259,807.05 = 54,904.20 : x
  2. Step 2: Convert to fraction form
    173,220.90/259,807.05 = 54,904.20/x
  3. Step 3: Cross multiply
    173,220.90x = 259,807.05 × 54,904.20
  4. Step 4: Simplify right side
    173,220.90x = 14,264,498,234.61
  5. Step 5: Solve for x
    x = 14,264,498,234.61/173,220.90
  6. Step 6: Final answer
    x = 82,348.60

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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.