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Finding the Fourth Proportional to 173,651.40, 260,477.10 and 55,331.40

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Solution

The fourth proportional to 173,651.40, 260,477.10 and 55,331.40 is: 82,997.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,651.40 : 260,477.10 = 55,331.40 : x
  2. Step 2: Convert to fraction form
    173,651.40/260,477.10 = 55,331.40/x
  3. Step 3: Cross multiply
    173,651.40x = 260,477.10 × 55,331.40
  4. Step 4: Simplify right side
    173,651.40x = 14,412,562,610.94
  5. Step 5: Solve for x
    x = 14,412,562,610.94/173,651.40
  6. Step 6: Final answer
    x = 82,997.10

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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.