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Finding the Fourth Proportional to 172,984.50, 259,477.02 and 48,325.50

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Solution

The fourth proportional to 172,984.50, 259,477.02 and 48,325.50 is: 72,488.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,984.50 : 259,477.02 = 48,325.50 : x
  2. Step 2: Convert to fraction form
    172,984.50/259,477.02 = 48,325.50/x
  3. Step 3: Cross multiply
    172,984.50x = 259,477.02 × 48,325.50
  4. Step 4: Simplify right side
    172,984.50x = 12,539,356,730.01
  5. Step 5: Solve for x
    x = 12,539,356,730.01/172,984.50
  6. Step 6: Final answer
    x = 72,488.33

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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.