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Finding the Fourth Proportional to 173,235.20, 259,674.20 and 66,590.24

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Solution

The fourth proportional to 173,235.20, 259,674.20 and 66,590.24 is: 99,816.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,235.20 : 259,674.20 = 66,590.24 : x
  2. Step 2: Convert to fraction form
    173,235.20/259,674.20 = 66,590.24/x
  3. Step 3: Cross multiply
    173,235.20x = 259,674.20 × 66,590.24
  4. Step 4: Simplify right side
    173,235.20x = 17,291,767,299.81
  5. Step 5: Solve for x
    x = 17,291,767,299.81/173,235.20
  6. Step 6: Final answer
    x = 99,816.71

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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.