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Finding the Fourth Proportional to 188,762.67, 260,492.40 and 103,879.73

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Solution

The fourth proportional to 188,762.67, 260,492.40 and 103,879.73 is: 143,353.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,762.67 : 260,492.40 = 103,879.73 : x
  2. Step 2: Convert to fraction form
    188,762.67/260,492.40 = 103,879.73/x
  3. Step 3: Cross multiply
    188,762.67x = 260,492.40 × 103,879.73
  4. Step 4: Simplify right side
    188,762.67x = 27,059,880,179.05
  5. Step 5: Solve for x
    x = 27,059,880,179.05/188,762.67
  6. Step 6: Final answer
    x = 143,353.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.