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Finding the Fourth Proportional to 173,115.55, 259,167.16 and 156,513.79

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Solution

The fourth proportional to 173,115.55, 259,167.16 and 156,513.79 is: 234,313.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,115.55 : 259,167.16 = 156,513.79 : x
  2. Step 2: Convert to fraction form
    173,115.55/259,167.16 = 156,513.79/x
  3. Step 3: Cross multiply
    173,115.55x = 259,167.16 × 156,513.79
  4. Step 4: Simplify right side
    173,115.55x = 40,563,232,376.73
  5. Step 5: Solve for x
    x = 40,563,232,376.73/173,115.55
  6. Step 6: Final answer
    x = 234,313.06

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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.