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Finding the Fourth Proportional to 173,180.80, 259,252.80 and 154,518.40

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Solution

The fourth proportional to 173,180.80, 259,252.80 and 154,518.40 is: 231,315.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,180.80 : 259,252.80 = 154,518.40 : x
  2. Step 2: Convert to fraction form
    173,180.80/259,252.80 = 154,518.40/x
  3. Step 3: Cross multiply
    173,180.80x = 259,252.80 × 154,518.40
  4. Step 4: Simplify right side
    173,180.80x = 40,059,327,851.52
  5. Step 5: Solve for x
    x = 40,059,327,851.52/173,180.80
  6. Step 6: Final answer
    x = 231,315.06

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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.