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Finding the Fourth Proportional to 173,300.40, 259,959.84 and 54,980.85

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Solution

The fourth proportional to 173,300.40, 259,959.84 and 54,980.85 is: 82,474.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,300.40 : 259,959.84 = 54,980.85 : x
  2. Step 2: Convert to fraction form
    173,300.40/259,959.84 = 54,980.85/x
  3. Step 3: Cross multiply
    173,300.40x = 259,959.84 × 54,980.85
  4. Step 4: Simplify right side
    173,300.40x = 14,292,812,969.06
  5. Step 5: Solve for x
    x = 14,292,812,969.06/173,300.40
  6. Step 6: Final answer
    x = 82,474.21

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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.