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Finding the Fourth Proportional to 173,140.30, 259,321.65 and 173,140.30

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Solution

The fourth proportional to 173,140.30, 259,321.65 and 173,140.30 is: 259,321.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,140.30 : 259,321.65 = 173,140.30 : x
  2. Step 2: Convert to fraction form
    173,140.30/259,321.65 = 173,140.30/x
  3. Step 3: Cross multiply
    173,140.30x = 259,321.65 × 173,140.30
  4. Step 4: Simplify right side
    173,140.30x = 44,899,028,277.50
  5. Step 5: Solve for x
    x = 44,899,028,277.50/173,140.30
  6. Step 6: Final answer
    x = 259,321.65

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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.