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Finding the Fourth Proportional to 173,720.55, 239,723.26 and 97,226.77

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Solution

The fourth proportional to 173,720.55, 239,723.26 and 97,226.77 is: 134,166.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,720.55 : 239,723.26 = 97,226.77 : x
  2. Step 2: Convert to fraction form
    173,720.55/239,723.26 = 97,226.77/x
  3. Step 3: Cross multiply
    173,720.55x = 239,723.26 × 97,226.77
  4. Step 4: Simplify right side
    173,720.55x = 23,307,517,670.39
  5. Step 5: Solve for x
    x = 23,307,517,670.39/173,720.55
  6. Step 6: Final answer
    x = 134,166.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.