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Finding the Fourth Proportional to 173,162.10, 259,743.15 and 155,447.40

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Solution

The fourth proportional to 173,162.10, 259,743.15 and 155,447.40 is: 233,171.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,162.10 : 259,743.15 = 155,447.40 : x
  2. Step 2: Convert to fraction form
    173,162.10/259,743.15 = 155,447.40/x
  3. Step 3: Cross multiply
    173,162.10x = 259,743.15 × 155,447.40
  4. Step 4: Simplify right side
    173,162.10x = 40,376,397,335.31
  5. Step 5: Solve for x
    x = 40,376,397,335.31/173,162.10
  6. Step 6: Final answer
    x = 233,171.10

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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.