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Finding the Fourth Proportional to 173,560.89, 260,072.04 and 120,356.64

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Solution

The fourth proportional to 173,560.89, 260,072.04 and 120,356.64 is: 180,348.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,560.89 : 260,072.04 = 120,356.64 : x
  2. Step 2: Convert to fraction form
    173,560.89/260,072.04 = 120,356.64/x
  3. Step 3: Cross multiply
    173,560.89x = 260,072.04 × 120,356.64
  4. Step 4: Simplify right side
    173,560.89x = 31,301,396,892.35
  5. Step 5: Solve for x
    x = 31,301,396,892.35/173,560.89
  6. Step 6: Final answer
    x = 180,348.22

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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.