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Finding the Fourth Proportional to 173,438.62, 259,950.85 and 89,239.12

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Solution

The fourth proportional to 173,438.62, 259,950.85 and 89,239.12 is: 133,752.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,438.62 : 259,950.85 = 89,239.12 : x
  2. Step 2: Convert to fraction form
    173,438.62/259,950.85 = 89,239.12/x
  3. Step 3: Cross multiply
    173,438.62x = 259,950.85 × 89,239.12
  4. Step 4: Simplify right side
    173,438.62x = 23,197,785,097.25
  5. Step 5: Solve for x
    x = 23,197,785,097.25/173,438.62
  6. Step 6: Final answer
    x = 133,752.13

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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.