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Finding the Fourth Proportional to 181,070.48, 271,620.24 and 68,804.48

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Solution

The fourth proportional to 181,070.48, 271,620.24 and 68,804.48 is: 103,212.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,070.48 : 271,620.24 = 68,804.48 : x
  2. Step 2: Convert to fraction form
    181,070.48/271,620.24 = 68,804.48/x
  3. Step 3: Cross multiply
    181,070.48x = 271,620.24 × 68,804.48
  4. Step 4: Simplify right side
    181,070.48x = 18,688,689,370.68
  5. Step 5: Solve for x
    x = 18,688,689,370.68/181,070.48
  6. Step 6: Final answer
    x = 103,212.24

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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.