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Finding the Fourth Proportional to 173,288.60, 259,932.90 and 153,605.60

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Solution

The fourth proportional to 173,288.60, 259,932.90 and 153,605.60 is: 230,408.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,288.60 : 259,932.90 = 153,605.60 : x
  2. Step 2: Convert to fraction form
    173,288.60/259,932.90 = 153,605.60/x
  3. Step 3: Cross multiply
    173,288.60x = 259,932.90 × 153,605.60
  4. Step 4: Simplify right side
    173,288.60x = 39,927,149,064.24
  5. Step 5: Solve for x
    x = 39,927,149,064.24/173,288.60
  6. Step 6: Final answer
    x = 230,408.40

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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.