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Finding the Fourth Proportional to 173,288.10, 259,932.15 and 153,605.10

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Solution

The fourth proportional to 173,288.10, 259,932.15 and 153,605.10 is: 230,407.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,288.10 : 259,932.15 = 153,605.10 : x
  2. Step 2: Convert to fraction form
    173,288.10/259,932.15 = 153,605.10/x
  3. Step 3: Cross multiply
    173,288.10x = 259,932.15 × 153,605.10
  4. Step 4: Simplify right side
    173,288.10x = 39,926,903,893.97
  5. Step 5: Solve for x
    x = 39,926,903,893.97/173,288.10
  6. Step 6: Final answer
    x = 230,407.65

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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.