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Finding the Fourth Proportional to 173,633.70, 260,450.55 and 42,305.70

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Solution

The fourth proportional to 173,633.70, 260,450.55 and 42,305.70 is: 63,458.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,633.70 : 260,450.55 = 42,305.70 : x
  2. Step 2: Convert to fraction form
    173,633.70/260,450.55 = 42,305.70/x
  3. Step 3: Cross multiply
    173,633.70x = 260,450.55 × 42,305.70
  4. Step 4: Simplify right side
    173,633.70x = 11,018,542,833.14
  5. Step 5: Solve for x
    x = 11,018,542,833.14/173,633.70
  6. Step 6: Final answer
    x = 63,458.55

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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.